鱼的腹鳍a fish's ventral fin腹鳍 对应着四足动物的后肢.Ventral ( or pelvic ) fins correspond to the hind limbs of a quadruped.这快速流动的气流为腹鳍提供了额外的升力.This faster - moving air provides the pelvic fin with additional lift....
Note: Use APPEND to avoid deleting the existing content of the file.注意: 使用APPEND避免删除文件的现存内容.Organisers may amend or append the terms and conditions without prior notification.主办单位有权修改参赛条规而不事先知会.Append content to the insi...
实力较弱的网络公司倒闭了。The weaker dot-coms have collapsed.袭击舰即便最后被它们团团围住, 它也会摧毁其中一艘较弱的巡洋舰, 突围而出.The raider, cornered at length, will overwhelm one weak vessel and escape.他一直帮助力量较弱的一方.He has always supported the weaker party....
So stiff is commercial competition that tunnel - diggers complain that their work is no longer profitable.业务上的竞争过于激烈,隧道挖掘工们抱怨他们的工作已不再有利可图.There were discussions about hiving off profitable BOAC routes to a private airlin...
The profundity of this book is achieved with breathtaking lightness.这本书极为深入浅出。He pretended profundity by eye-beamings at people.他用神采奕奕的眼光看着人们，故作深沉。He lacked profundity and analytical precision.他缺乏深度和分析的精确性。...the profund...
The feeding of dairy cows has undergone a revolution.乳牛的喂养方法发生了巨大的改变。He was afraid the revolution they had started would fail.他担心他们发起的大变革会遭遇失败。The nineteenth century witnessed a revolution in ship design and propulsion.1...