作者证实:单叶双曲面和双曲抛物面是直线曲面.The authors show that the hyperboloid of one sheet and the hyperbolic paraboloid are ruled surfaces.结果表明双曲面微透镜有较高的耦合效率.The results show that the hyperbolic microlens a better coupling - performance....
Doris Brown closed her eyes and lapsed into sleep.多丽丝·布朗闭上眼睛，安然入睡。She lapsed into a little girl voice to deliver a nursery rhyme.她改用童声唱起童谣来。She calls herself a lapsed Catholic.她称自己已不再信仰天主教。...
My mother, who had a sheltered upbringing, has fantastic memories of childhood.我妈妈在呵护下长大，对童年有着非常美好的回忆。The boulder sheltered them from the chilling wind.那块大石头替他们挡住了寒风。Perhaps I've just led a really sheltered life.也许我...
Slim swans and slender skunks swim in the slippery slime.苗条的天鹅和纤细的臭鼬在滑滑的黏泥上游泳.I eventually found them in a bar, both as drunk as skunks.我后来在一家酒吧找到他们, 两个人都烂醉如泥.Well, what do we have here? sneered one of the skunks.“嗯, 这家伙...