updrafts

美 　英

• adj.向上通風(fēng)的
• n.【氣】上曳氣流
• 網(wǎng)絡(luò)向上排氣；一環(huán)上升氣流

詞形變化

復(fù)數(shù)：updrafts  

英漢解釋

n.	1. 【氣】上曳氣流,上升氣流
adj.	1. 向上通風(fēng)的

英英解釋

n.	1. a current of air that is moving upward

例句

These downdrafts hit the surface of the planet, flow outward, and collide with each other, forming updrafts.

氣流向下落在地球表面，向外流動，相互碰撞，如此一來就形成上升氣流。

strong turbulence in an otherwise cloudless region that subjects aircraft to violent updrafts or downdrafts.

其他無云地區(qū)的強(qiáng)烈的湍流導(dǎo)致飛行器屈從于強(qiáng)烈的上升氣流或下降氣流。

But without a raptor's sharply honed sense for the gravity-defying updrafts , humans are beholden to chance. Until now.

但是如果沒有猛禽們對克服重力的上升氣流敏銳的判斷力，人們常常錯失良機(jī)。

The powerful updrafts and down drafts can push a plane around, potentially damaging it or worse.

強(qiáng)烈的上下起伏可以導(dǎo)致飛機(jī)打轉(zhuǎn)，對其造成潛在的危害甚至更嚴(yán)重的損害。

11 Roll clouds form when updrafts and downdrafts churn clouds into a long, spinning cylinder.

11卷軸云形成時，上升氣流和下沉氣流將云攪動成為一個長而旋轉(zhuǎn)的圓柱。

Some viewers wondered if they were scraps of paper or plastic caught in updrafts from the spotlights' heat.

有些人以為這些物體可能是聚光燈發(fā)光時產(chǎn)生的熱量捕捉到的漂浮在高空的紙片或塑料碎片。

The positive and negative charges are then separated by updrafts and gravity, producing the electric field.

正負(fù)電荷受上升氣流與重力的影響而分離，產(chǎn)生電場。

Tornadoes form when the updrafts of air that supply storms with warm, humid air become a vortex, or high-speed whirlwind.

當(dāng)上升氣流與能形成風(fēng)暴的濕熱空氣變成高速的旋風(fēng)時，就形成了龍卷風(fēng)。

As the crystals take on moisture, they may become too heavy for updrafts to support.

當(dāng)冰晶攜帶了足夠水分，上升氣流便可能無法支撐它們的重量。

A very few seagulls were working the updrafts on the cliffs.

海邊峭壁上，寥寥幾只海鷗正在向上奮飛。

The warm, moist updrafts that feed them can pour 500 elephants into the storm each second.

溫暖、潮濕的上升氣流每秒鐘向這些云朵內(nèi)傾入與500頭大象相同重量的水。