upwash
美
英 
英汉解释
例句
The air flowing over a bird's wings curls upwards behind the wingtips, a phenomenon known as upwash.
气流在划过鸟类双翼时会在其后面弯曲向上,这是一种叫上升流的现象。
Other birds flying in the upwash experience reduced drag, and spend less energy propelling themselves.
在上升流中飞行的鸟阻力减小,可以用更小的力气飞。