downdrafts

downdrafts

美 　英

• na.(烟囱的)倒灌风；向下通风；向下气流
• 网络下沈气流；下冲气流

词形变化

复数：downdrafts  

英汉解释

na.	1. (烟囱的)倒灌风;向下通风;向下气流

英英解释

n.	1. a downward movement of air, e.g. on the lee side of a mountain range or down a chimney

例句

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

气流向下落在地球表面，向外流动，相互碰撞，如此一来就形成上升气流。

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

其他无云地区的强烈的湍流导致飞行器屈从于强烈的上升气流或下降气流。

When rain-cooled downdrafts hit warm air near the ground, a low hanging revolving cloud forms beneath the cell, a tornado is imminent.

当雨冷凝形成的下降气流遭遇地表暖气流时----“超级风胞”下方一股低空旋转的云团便已形成，龙卷风就要让我们大难临头了。

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

11卷轴云形成时，上升气流和下沉气流将云搅动成为一个长而旋转的圆柱。

Headwinds and downdrafts meant flying at a lower altitude than planned, which used up power too quickly.

大风和下降气流使得飞行高度比计划低，这样耗电也更快。

After muscular performances from the Chinese, Indian and Brazilian exchanges, they have suffered downdrafts lately.

中国、印度和巴西的股市此前表现强劲，但最近都遭遇下滑。

Changes in surface ozone levels due to convective downdrafts over the Bay of Bengal

由于孟加拉湾上方对流的下沉气流地面臭氧层的变化