For straight - winged tailless airplanes, only the negative camber satisfies the conditions for flight.对直机翼无尾飞机, 只有负弯度才满足飞行条件.Apollos and Venuses and the Winged Victory of Samothrace are friends of my finger tips.阿波罗、维纳斯...
She stood contemplating the painting.她站在那儿凝视那幅图画.He is contemplating pawning his watch.他正在考虑抵押他的手表。He went on to intimate that he was indeed contemplating a shake-up of the company...他继续暗示他确实在考虑对公司进行一次大改组。You're too...