| 释义 |
downdraft 英/ ?da?ndrɑ?ft / 美/ ?da?ndr?ft / 1 ?向下通风 ... downcomer = 废水套管 downdrafts = 向下通风 downed = 被击倒的 ... 2
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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。 - 2
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。 - 3
This creates downward air currents. 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。
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