如果你的排气管脱落，应将其更换。When your exhaust falls off, you have to replace it.车子底盘的3块隔热板已经脱落了。Three insulating panels had come adrift from the base of the vehicle.有一页纸脱落下来，飘落到地砖上。A page came loose and floated onto the tiles....
Get on with life and don't sit back and mope.活跃一些享受生活，不要闲呆着闷闷不乐的。Was there any use buying Dilcey if she was going to mope about the child?只买来迪尔茜,要是她整天惦记孩子,又有什么用?He is no mope, only thoughtful and quiet.他不是那种忧郁的人, 只是...
Water power schemes ( hydro - electric schemes ) are of two types, high dams or low dams.水力发电工程 ( 水电工程 ) 有高坝和低坝两种类型.Large dams have harmed Siberia's delicate ecological balance.大型水坝对西伯利亚脆弱的生态平衡造成了破坏。The R . A . F .&...