常见例句双语例句On modern jets almost the entire leading and trailing edges are taken up by lift-increasing flaps and slats for takeoff and landing.在现在的喷气机上，几乎所有的前后缘都被用于起飞和降落的提高升力的襟翼和缝翼所占据。blog.sina.com.cn 返回 lift-up flaps