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双语版 TED-Ed 演讲精选

Outside, cool, dry, sinking air starts to wrap around the back of this mesocyclone, forming what's known as a rear flank downdraft.

外部那些又干又冷的下沉体开始在 “旋” 后侧环绕,形成一个 “后侧下环”。

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Veritasium真理

We planned for pennies falling through still air, but the helicopter creates a huge downdraft to support its weight.

们原本计划让硬币在静止的空掉落,但直升机会产生巨大的下沉支撑其重量。

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经济学人-科技

Continuing the vertical-take-off theme, the Jeep would have had 12 fans whose downdraft would have helped it over obstacles such as ditches.

继续刚才垂直起飞的主题,这辆吉普有12个螺旋桨,其产生的向下能使吉普跨过壕沟等各种障碍。

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ICAO民航英语

797. Request offset 10 miles left to avoid the reported strong downdraft.

797. 请求向左偏移 10 英里,以避免报告的强烈下沉

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