However, momentum is always conserved in a collision, whether or not the collision is elastic.然而, 不管碰撞是不是弹性的, 在碰撞过程中动量总是守恒的.The elastic interaction between a wedge disclination dipole and an interfacial crack was investi...
The stationmaster pounced and wrestled the gun from him.站长猛扑过去，奋力夺下他手中的枪。No, the stationmaster didn't let us stay there.不, 站长不让我们呆在那儿.The stationmaster is responsible for everything at the station.站长负责车站的一切事务....
脱咖啡因的咖啡仍含一些刺激物和其他可能致癌的有害物质。Decaffeinated coffee still contains some stimulants and other nasties linked with cancer.T恤衫现在几乎成了伦敦西区时尚人士的必备之物。T-shirts now seem almost de rigueur in the West End.计算机是公平之物，所有人物都能从中获得信息。The com...
A cool breeze made the heat pleasantly bearable.一阵凉风吹来，让炎热的天气变得稍微舒适了一些。She was the only thing that made life bearable.只因有了她生活才可以过得下去。He found the dullness of his work scarcely bearable.他觉得他的工作枯燥乏味,简直无法忍受....
她病得很严重，被戴上了人工呼吸器。She was so ill that she was put on a respirator.有机食品是未使用人工化学制剂和杀虫剂的纯净食品。Organic food is unadulterated food produced without artificial chemicals or pesticides.我们这一系列的药草茶不含防腐剂、色素以及人工调味品。Our range of herba...