necessary

美 [?nes??seri] 　英 [?nes?s(?)ri]

• n.必需品；〈口〉必需的金錢[行動]；〈美方〉廁所
• adj.必需的；必要的；必然的；無法避免的
• 網(wǎng)絡(luò)必須的；需要的

詞形變化

反義詞

同義詞

英漢雙解

英漢解釋

英英解釋

例句

Even if you can't eat like a health nut all the time, at least you'll get most of your necessary vitamins with the help of a supplement.

即使你不能像一個很注重養(yǎng)生的人一樣時時都吃維生素，至少也用通過補充獲取大部分必要的維生素。

Consequently, a third test was necessary to see if these abilities could have been learned.

因此，有必要再進行一項實驗，觀察這些能力能否通過后天學習取得。

Even after he had completely abjured violence he was honest enough to see that in war it is usually necessary to take sides.

即使在他發(fā)誓徹底放棄暴力后，他也誠實地明白在戰(zhàn)爭中經(jīng)常必須要選擇一方。

Then you can fill in the gaps, clear up misinformation, and, if necessary and appropriate, explain what you know from your own experience.

然后，你就可以填補空白，把他們誤解的厘清，而且，如果必要和合適，解釋從你自己經(jīng)驗中你所獲知的東西。

Necessary up to a point, but quite dull, and not something that deserves a place in management literature.

雖然在一定程度上是必需的，但是相當枯燥，也沒有資格在管理學文獻中占有一席之地。

Nobody wants to see that happen. Yet it may happen all the same, and Mr. Obama has to be willing to let it happen if necessary.

沒有人愿意看到這種情況變成現(xiàn)實。但是，也許它終歸會變成現(xiàn)實，而在必要的情況下，奧巴馬必須心甘情愿地任由它變成現(xiàn)實。

His flight home delayed and able to obtain the necessary permits, he drove up to the affected coast.

他回家的航班被延誤，并且獲得許可進入災(zāi)區(qū)做調(diào)查。

until the Bidder shall have entered into contract with you and furnished the necessary performance bond.

直至投標者與貴方簽訂合同并提供必要的履約保證金為止。

This was quite a feat as the intense light from the star normally obscures the subtle visual details necessary to distinguish a planet.

這可以算得上是個相當壯舉，因為恒星發(fā)出得強烈光芒掩蓋了區(qū)分行星所需得視覺細節(jié)。

Within the body of a subquery, it is often necessary to refer to the value of a column in the active row of the main query.

在子查詢的正文中，通常需要引用主查詢的活動行中的列的值。

Sometimes it is necessary to be a little cruel, to see the truth of the matter.

有時候做人要殘忍一點，才能看清楚事實。

If you want to go on a trip, it's necessary to take a map with you.

如果你想旅游，隨身攜帶一張地圖很有必要。

In a statement, Rosneft said the British court order was groundless and it was taking all necessary measures to protect its interests.

Rosneft在一份聲明中表示，英國法庭的命令毫無根據(jù)，該公司將采取一切必要手段保護自身的利益。

All of those natural stages were necessary to bring the peoples to this point of conscious awareness and action.

所有這些自然的階段，為了給人們帶來這種覺知的行為和思想被需要著。

If the subnet for that LAN adapter changed, it is necessary to determine if package-related subnet parameters must be updated as well.

如果該LAN適配器的子網(wǎng)發(fā)生了更改，則必需確定是否還須更新與套裝軟件相關(guān)的子網(wǎng)參數(shù)。

NProtect is a server based solution and is automatically activated at the launch of any web page that requires the necessary protection.

是一種基于服務(wù)器端的解決方案并且當那些需要保護的任何網(wǎng)絡(luò)應(yīng)用被運行時而自動啟動。

Note it is only necessary to work through the steps in that article up to the "Running the application" section.

請注意，該文章中只有到“運行應(yīng)用程序”部分的步驟是有必要進行的工作。

But Dr Bechara said the insula appeared to be involved with "learned behaviours" rather than those necessary for survival.

但是，Bechara博士說，腦島表現(xiàn)為與“學習行為”有關(guān)，而不是生存行為。

Water can be available up to the time of surgery and is necessary if the cat is held in the trap for more than eight hours after capture.

如果貓在抓取之后達超過八小時在圈套中被拿著，水直到外科手術(shù)的時候可能是可得的并且是必需的。

Leaders from France, Britain and the United States have said the operations are necessary and that Mr. Gadhafi.

法國、英國和美國的領(lǐng)導人說，發(fā)起這次軍事行動是有必要的，因為卡扎菲的部隊不顧警告，仍在發(fā)動攻擊。

He was most liberal where money would bring him a powerful or necessary political adherent.

在金錢能夠收買一個干練的或者必需的政治擁護者的地方，他是很不惜花錢的。

To get high rates of advance it is sometimes necessary to work on two, three or even four shifts a day.

為了取得高的掘進速度，有時有必要在一天內(nèi)分兩班、三班、甚至四班工作。

Because of local resistance, federal intervention may be necessary to designate certain sites for hazardous-waste-disposal facilities.

由于地方上的阻力，或許有必要通過聯(lián)邦政府的調(diào)解來指定某些近便的有害廢物處理場。

I understand that it is absolutely necessary to the character in perfection.

我認為那對培養(yǎng)一個完美無缺的人物是絕對必要的。

Q represents the nonmetallic atoms necessary to complete a heterocyclic nucleus containing 5 atoms in the heterocyclic ring.

Q是形成5個原子雜環(huán)核所必須的非金屬原子。

In solving most stress problems it is first necessary to find the reactions that the given loading produces.

在解決多數(shù)的應(yīng)力問題時，首先必須求出已知載荷產(chǎn)生的反力。

She felt that between herself and Miss Ley alone the necessary explanations would be awkward.

她感到在她和萊伊小姐之間進行必要的解釋這件事難于處理。

The guano is a fine bird, but great care is necessary in rearing it.

爪努是一種很好的鳥，可是飼養(yǎng)必須多加小心。

The first sign came in 1835 when crop failures made it necessary to import wheat from Europe.

最早的跡象是一八三五年出現(xiàn)的。當時，由于農(nóng)業(yè)歉收，不得不從歐洲進口小麥。

If such is the case, we ought not to lie here a minute longer than is necessary.

要是真的如此，不管怎么樣，這里一刻也不能呆了。

So much necessary violence in Pro football build up in the plays a towering hatred against their opponents.

職業(yè)橄欖球比賽中許多必要的沖撞以致隊員逐漸對他們的對手積怨如仇。

It was up to the South Vietnamese-and the United States-to take the steps necessary to defeat it.

要挫敗它全得靠南越和美國去采取必要的措施。

For the facsimile transmission of a book it is at present first necessary to make photocopies of the book's pages.

一本書的傳真傳送目前首先需要將每一頁影印。

Few monochrome television engineers found it necessary to be knowledgeable about the subject of "light" .

在從事黑白電視工作的技術(shù)人員中，很少有人感到必須具備有關(guān)光學方面的知識。

He thought it necessary to extenuate the length of time he kept the dinner on the table.

他認為必須解釋一下為何把晚餐留在桌上那么久。

She wondered indeed at his thinking it necessary to do so, but supposed it to be the proper etiquette.

她不相信他真心以為有必要這么做，而推想這是必不可少的禮儀。

Mrs. Butler recollected that her husband was not possessed of the information necessary to form a judgement upon the occasion.

布特勒太太想她丈夫對這事所知有限，對這個問題也難以作出判斷。

Only young magma intrusions contain the amount of heat necessary for the heat supply of an economical geothermal field.

只有年青的巖漿侵入體才能擁有一個經(jīng)濟性地熱田熱補給所必需的熱能。

The police had to take the necessary measures and prepared to resist the mob with their swords.

警察不得不采取必要的措施，準備用刺刀來鎮(zhèn)壓這群肇事者。

The appointing authority may require from either party such information as it deems necessary to fulfil its function.

指定機關(guān)可要求任何一方提供它認為為執(zhí)行其職務(wù)所必需的資料。

A further discussion (on the matter) is necessary.

進一步討論是必要的。

The existence of rich resources is not a sufficient condition for developed industry, nor even a necessary one. But it helps.

蘊藏豐富的資源不是工業(yè)發(fā)達的充分條件，甚至也不是必要條件。但它有助于發(fā)展。

Procedures different from those used in adults are necessary for the reliable measurement of blood pressure in children and adolescents.

小兒和青少年測量血壓的可靠方法和步驟應(yīng)與成人不同。

I know it was necessary to punish the child, but nevertheless it left a nasty taste in my mouth.

我明知有必要懲罰這個孩子，可是我仍然感到懊悔。

The ladies had reached that vaguely melancholy hour when they felt it necessary to tell each other their histories.

女人們的心情，已經(jīng)進入那種空洞地悲哀的時辰了，所以她們覺得有把自己的歷史互相傾述一下的必要。

This ignorance precludes the full theoretical calculation of wave forms necessary to compare with relevant observations.

這種未知使我們無法作出所必需的理論計算，以與有關(guān)觀測結(jié)果相比較。

The values of the redundant forces necessary to eliminate the errors in the displacements are now determined.

現(xiàn)在確定消除位移誤差所需要的贅余的力值。

Mathematics is an organism for whose vital strength the indissoluble union of the parts is a necessary condition.

數(shù)學是一個有機體，它的生命力的一個必要條件是所有各部分的不可分離的結(jié)合。

Sometimes, when it was really necessary to get a job done by a certain time, they had to work late, perhaps till eight or nine o'clock.

有時候干一件真正需要限期完成的活，他們只得干到很晚，說不定直到晚上八、九點鐘才收工。

That makes it necessary to bring the problem back to its proper setting.

這一點使得我們有必要把這個問題放回到適當的范圍里來考慮。

If necessary, ask your domain administrator for the names of existing domain groups, or to create domain groups for your failover cluster.

如果需要，請向域管理員詢問現(xiàn)有域組的名稱，或者為故障轉(zhuǎn)移群集創(chuàng)建域組。

All beneficial spells will automatically reduce rank if necessary to that of a lower level target.

所有有益法術(shù)對低級人物釋放時會自動選擇合適的法術(shù)等級。

It is often necessary to reward people for their hard work, if you want them to continue working hard for you.

如果你想要人們繼續(xù)努力工作，就有必要獎勵他們的工作。

He visited the Home Affairs Department which refused to issue the visas necessary for us to be able to leave the country.

他去拜訪了民政局，民政局拒絕給我們簽發(fā)出境的簽證。

Could it really be that there was so much inefficiency and, to get rid of it, little more was necessary than to tell people to sort it out?

難道真的是因為手下的人效率太過低下，為了擺脫這個問題，除了命令他們解決問題，還有必要插手做點什么？

Crown had been seen as an underdog at best but had been encouraged by Ford if it could find the necessary funding, the paper added.

報導稱，皇冠財團一直不被看好，但通用鼓勵其堅持競購，若其能獲得必要融資的話。

It is a very difficult tip to follow, but a necessary one, if you want to really get out of debt.

這條建議很難做，但又很必要，如果你是真的想要擺脫債款。

You may think it a singular case, yet the fact remains that this has made it necessary for us to file a claim on you.

你可能認為這事是頭一回，可事實不得不讓我們向你們提出索賠。

It might be necessary to run an instance directly on a specific user system, depending on the nature of the problem.

在特定用戶系統(tǒng)中可能需要直接運行實例，這取決于問題的性質(zhì)。

Understanding your different roles and learning to keep them distinct when necessary can help you keep some sense of balance between them.

理解每個不同的角色，學著把他們各自區(qū)分開來有助于你保持各個角色的平衡。

If you're unable to go at your allotted time, it will be necessary to wait until the next day when your turn comes again.

如果你不能在分配的時間內(nèi)入廁，將必須等到第二天輪到你的時候再去。

She said the importance of these primates for understanding the skills necessary for the evolution of modern humans was unparalleled.

她說，對靈長類的研究，對理解現(xiàn)代人類的進化所需掌握的必要技能是無與倫比的。

For the e-mail to be routed through this configuration file, which is called . procmailrc, another step or two might be necessary.

對于通過此.procmailrc配置文件路由的郵件而言，還需要另外一個或兩個步驟。

The only whiff of dodginess about the place is the city mayor's statement that it had been operating without some of the necessary permits.

市長聲明說這家賭場一直都在無證經(jīng)營。就所在位置來看，它似乎根本不像一家簡單的娛樂場所。

A little as dry as a chip also insipid character, not was necessary to be read, of this back back a bit.

也有些枯燥乏味的文字，沒有必要讀完，該背的的背一點。

still some novelty was necessary , to give to their return the piquancy with which i wished it to be invested.

不過賦予某些新意還是必要的，使她們回家的時候有一種我所希望的生氣。

Mistrust grew between ardent Nazis and anyone who did not seem to show the necessary level of enthusiasm for continuing the struggle.

狂熱的納粹分子和那些覺得已經(jīng)沒有必要繼續(xù)斗爭的人之間開始產(chǎn)生不信任。

8 "It is often necessary, even desirable, for political leaders to withhold information from the public. "

政治領(lǐng)導們在公眾面前有所保留是必要的，甚至是必須的。

Perhaps so, but today several sectors of Spanish society are wondering if it was necessary to meet those obligations quite so quickly.

或許如此，但今天西班牙社會的幾個部門都知道如果它是必要的，履行這些義務(wù)的這么快。

The time had come, so I carefully put the babies on the floor of the kitchen and held my breath, ready to come to the rescue if necessary.

關(guān)鍵時刻來了。我小心翼翼地把貓仔放在廚房地上，屏住呼吸，準備必要時救助那些小貓。

It seemed that the delegates knew they were going through necessary motions.

代表們似乎認識到，他們不過是在做出一些必要的姿態(tài)。

It was concluded that the level of change necessary would be low.

結(jié)論是，需要作出的變更程度很低。

He points out that while it is necessary to believe that two lines will tend toward each other on the side.

他指出，我們誠然必須相信直線必在這側(cè)逐漸相接近。

If your plug will fit one of his mental holes, he can furnish the necessary answer, but otherwise he's lost.

要是你的插頭插得進他腦子里的某一個插口，他就能提供必要的回答，不然的話，他就只能朝你翻白眼。

In addition to the federal courts of general jurisdiction, it has been necessary from time to time to set up courts for special purposes.

除了有一般裁判權(quán)的聯(lián)邦法院之外，有時也有必要為了特殊目的而設(shè)立法庭。

This is the sum of a good government, and this is necessary to close the circle of our felicities.

這是一個良好政府的標志，而這也是為我們幸福圓滿之所必需的。

Very little inquiry was necessary to guide her footsteps.

她往前走并不需要多打聽。

It became necessary to keep an eye upon the deputies.

不得不把代表們都看管起來。

It is necessary for us to distinguish carefully between the temperature of a body and its heat.

我們有必要仔細地把物體的溫度跟它的熱量區(qū)別開來。

We have already seen that the condition is necessary so we have to prove only the sufficiency.

我們已經(jīng)看到此條件是必要的，故我們僅需證明其充分性。