What if he got a guilty conscience and brought it back?...要是他觉得内疚，把东西拿回来了怎么办？Has he got a girlfriend?他有女朋友吗？Kelly got the grime off his hands before rejoining her in the kitchen.凯利洗去手上的污垢，又回到厨房来帮她的忙。It's quite incre...
通过相关的实验,确定了影响绕流的一些因素.So we fixed some factors which affect detouring flow.给出了带襟翼偏转的三维机翼绕流的一种求解N -S 方程的计算方法.A N - S method for solving the flow around a wing with deflection of flap is presented.提出了一种用于模拟圆柱绕流的振荡边界层流动的新方法 ...
乘火车到达通风井找到柱状物体.Ride the train to the ventilation shaft.楼梯井,通风井:垂直地通过建筑物各层的开阔空间, 如为了建楼梯或通风.An open space extending vertically through the floors of a building, as for stairs or ventilation.南印第安纳一座煤矿发生事故,三名工人死于180米深的通风井内.A...
如果使用得当，避孕套是很有效的避孕手段。Condoms are an effective method of birth control if used with care.虽然多数避孕套含有杀精剂，但也有一些是不含的。Although most condoms contain spermicide, there are some manufactured without.想到老师将分发避孕套给学生使一些家长愤慨不已。The prosp...
我信赖他的友情，也相信他的判断。I depended on his companionship and on his judgment.很难判断是谁给了致命的一击。It is impossible to say who struck the fatal blow.杰克养大了两个了不起的孩子，我相信他的判断。Jake has raised two smashing kids and I trust his judgement....
The weapons are undergoing ballistics tests to see whether they were used in the shootings.这些武器正在接受弹道测试，以确定它们是否曾用于枪击案中。Ballistics was used in the criminal case to determine the gun's firing capacity.在该刑事案件中人们运用弹道学原理...