dorsal fin

美 　英

• na.脊鰭
• 網(wǎng)絡(luò)背鰭；脊翅；垂直尾翼前尾鰭

英漢解釋

na.

1. 脊鰭

英英解釋

n.	1. a single fin on the back of a fish or other water animal such as a dolphin that gives it stability while swimming.

例句

Buck admitted being pulled along by the dolphin by grabbing hold of its dorsal fin and Jukes said he had stroked its belly.

巴克承認(rèn)藉由抓住海豚的尾鰭，被牠拖曳而行，裘克斯則說他撫摸牠的肚腹。

Long and slender with a dorsal fin the length of its body, the oar fish resembles a snake.

長且薄，帶著一條跟其身體一樣長的背鰭，它們看上去像一條蛇。

Cymbospondylus had no dorsal fin and its tail was long like an eel's.

杯椎魚龍沒有背鰭，尾部像鰻魚一樣扁長。

any of various food and sport fishes of the United States Atlantic coast having an elongated body and long spiny dorsal fin .

生活在美國大西洋沿岸、身體細(xì)長且長有長長背鰭的多種食用和獵用魚。

Any of several whales of the family Balaenidae, characterized by a large head, whalebone plates in the mouth, and absence of a dorsal fin.

露脊鯨：露脊鯨科中的幾種鯨，特征為頭部碩大、嘴邊長有鯨須而無背鰭。

Some wag had named her after a small black hole in her dorsal fin which looked, to him, like a cigarette burn.

而一些人則開玩笑地稱她為“黑洞”，原因是她背鰭上面有一個小黑窟窿，好像是被煙頭燙過似的。

They are cobalt-blue on top and silvery-white below, with a pronounced dorsal fin and a long, lethal, spear-shaped upper jaw.

它的頂部是鈷藍(lán)色，下面和銀白色；有著明顯的背鰭，還有著長長的、能致命的矛狀上顎。

Any of various brightly colored tropical Pacific scorpion Fishes of the genus Pterois, having venomous spines in the dorsal fin.

蓑一種太平洋赤道地區(qū)產(chǎn)蓑屬色彩鮮艷的鋸魷魚，背鰭上有毒刺

A primitive, bony freshwater fish(Amia calva)of central and eastern North America, with a long, spineless dorsal fin.

弓鰭魚北美洲中部和東部的一種原始、多骨的淡水魚（弓鰭魚弓鰭魚屬），具有長的無脊的背鰭

The dorsal fin acts as a keel, giving the dolphin some stability as it swims.

作為龍骨的背鰭，因?yàn)?/c>它使一些穩(wěn)定海豚游泳。

Any of several marine fishes of the family Trachinidae, having venomous spines on the gill cover and first dorsal fin.

龍鱉龍鱉科的幾種海魚之一，在鰓蓋和第一背鰭上的許多毒刺

The mother then uses her tail and her rostrum to guide the calf to a traveling position just below her dorsal fin.

之后，海豚媽媽會用牠的尾巴及嘴喙指引寶寶在牠的背鰭下就位。

the dorsal fin is the vertical fin on the back of a fish and certain marine mammals.

背鰭就是在魚或者某些海洋哺乳動物背上的垂直鰭。

His dorsal fin was down and his huge pectorals were spread wide.

它的脊鰭向下耷拉著，巨大的胸鰭大張著。

Therefore, no dorsal fin eggs planted in varieties of goldfish are more highly regarded.

因此，沒有背鰭的蛋種在金魚品種中更受推崇。

large deep-water shark with white-tipped dorsal fin; worldwide distribution; most dangerous shark.

生活在深海長有白色背鰭的大鯊魚；分布于世界各地；最危險的鯊魚。

Steller's goldfish once came, it was classified as varieties upper. We all know, the balance of dorsal fin in fish organs, nature does not.

虎頭金魚一經(jīng)問世，就被列為上等品種。眾所周知，背鰭是魚類的平衡器官，自然界中沒有。

The humpback has a small dorsal fin located towards the tail flukes about two-thirds of the way down its back.

駝背鯨有一個較小的背鰭，大概是背部三分之二靠近尾部的地方。

snout short and bluntly pointed. Body elongated, tapering abruptly from the first dorsal-fin base.

身體延長，尖端細(xì)的突然地從第一背鰭基底。

The newborn's flukes and dorsal fin are curled initially but soon become straight and rigid.

新生兒的背鰭和尾鰭剛開始成捲曲狀，但很快就會伸展開且定型。

Dorsal fin of the fish, the majority of the individual food is difficult to swim properly.

背鰭的魚類多數(shù)個體很難正常游動覓食。

small elongate fishes of shallow northern seas; a long dorsal fin consists entirely of spines.

北部海洋淺水中細(xì)長的小魚；完全由刺組成背鰭。

predorsal ridge A low narrow ridge of skin on the midline of the back anterior to the first dorsal fin base.

背前脊一個皮膚的低狹窄脊，位于第一背鰭基底前的背部中線上。

Predorsal length From the base of the anterior most dorsal fin ray to the tip of the snout or upper lip.

背前長從最前面背鰭鰭條基底處到吻尖或上唇前端。

Its sail-like first dorsal fin provides stability while swimming.

帆狀的第一背鰭在游動時提供了穩(wěn)定性。

A goldfish LanChou belongs to the egg, dorsal fin.

蘭疇屬于蛋種金魚，無背鰭。

The shark's dorsal fin was cut off by the fisherman.

鯊魚的背鰭被漁夫割了下來。

Dark gray dorsal fin, tail fin trailing edge black, gray fins each other.

背鰭深灰色，尾鰭后緣呈黑色，其它各鰭灰白。

predorsal Area or distance anterior to first dorsal fin.

背前的第一背鰭前的區(qū)域或距離。

Tiger-head goldfish, short, fat body, no dorsal fin, was classified as kinds of egg Goldfish.

虎頭金魚，體短而肥，沒有背鰭，被分類為蛋種。

thin deep-water tropical fish 20 to 30 feet long having a red dorsal fin.

纖細(xì)身體的熱帶魚，體長達(dá)20至30英尺，有紅色的背鰭。

in the absence of dorsal fin of the goldfish egg, some people grow spines on the back of the body and tumor-like scales;

在沒有背鰭的蛋各金魚中，有的個人體在背部長出刺狀及瘤狀的鱗；

Experimental research on the separation vortices over slender delta wing with low dorsal fin

帶背鰭細(xì)長平板三角翼脫體渦的實(shí)驗(yàn)研究

Effect of Dorsal Fin Height on Symmetry and Asymmetry of Vortex Pairs over Delta Wing at High Angles of Attack

背鰭對三角翼大迎角脫體渦的影響

Examination and Analysis of Undulatory Dorsal Fin Propulsion of Gymnarchus Niloticus

柔性長鰭波動推進(jìn)試驗(yàn)及分析

Effect of Low Dorsal Fin on Aerodynamic Characteristics of Slender Delta Wing

低背鰭對細(xì)長平板三角翼大迎角空氣動力的影響

Has 4 horizontal scale rows between lateral line and mid-dorsal scale row at dorsal-fin origin;

在背鰭起點(diǎn)有在側(cè)線與背部中央鱗片列之間的4水平的鱗片列；

the dorsal fin, eg of a shark

背鰭（如鯊魚的）。

even grow incomplete dorsal fin;

甚至長出不完整的背鰭；