人群变得狂暴起来，并向警察投掷汽油弹。The crowds became violent and threw petrol bombs at the police.拥挤的人群和喧闹的噪音可能会让游客有些茫然不知所措。Sightseers may be a little overwhelmed by the crowds and noise.3枚迫击炮弹落在人群旁。Three mortar shells had landed close ...
The shop assistant has undercharged us.售货员向我们要价很低。He had the impression that they always undercharged him.他觉得他们总是少算了帐.He undercharged me two dollars for the wine.我买这瓶酒他少收了我两美元....
Professors are passing the hat to help staff in their department.教授们正在凑钱帮助系里的同事。Professors, for the most part, are firmly committed to teaching, not research.大多数教授都投身于教学，而不是研究。Professors are notoriously difficult to mana...
镧镨铈混合稀土 ( LPC ) 是新型专利成分的混合稀土.Lanthanum praseodymium - cerium rare earth ( LPC ) was a patent composition.聚丙烯与氧化铈的复合纤维将具有更优异的性能.The performances of PP and CeO _ 2 composite fiber will be excellent.介绍了一种直接测定氧化铈含量的新方法.A met...