All night I have been tossing and turning racking my brains to think what could have possessed the young man to kill himself.整整一晚我辗转反侧,绞尽脑汁,想弄明白是什么原因竟能促成这个年轻人自杀.He was racking his brains for a course of action.他在脑子里拼命寻找一...
集成电路使微型化过程往前迈进了一大步.A major step formed in miniaturization came with the integrated circuit.微型化还意味着能够尽早杀死癌细胞,以防止肿瘤生长到威胁生命.Going small could also mean killing off cancer cells early, before they grow into life - threatenin...
Newborn calves are not afraid of tigers. -- Young people are fearless.初生之 犊 不畏虎.When two tigers fight , one is sure to lose.两虎相争,必有一伤.Lions and tigers are big game.狮子和老虎是大猎物....
Discovery's takeoff this morning from Cape Canaveral was flawless.“发现”号航天飞机今晨从卡纳维拉尔角顺利发射升空。The commuter plane was waiting for takeoff.通勤飞机在等候起飞。She does a marvellous takeoff of the Queen.她学女王的样子学得惟妙惟肖....