翻译if a flow of air bends,such as over a wing,there also must be a force acting on it.
问题描述：
翻译if a flow of air bends,such as over a wing,there also must be a force acting on it.
答
如果空气流弯曲了,例如越过一个翅膀,也一定有一个力作用在空气流上