In drilling an oil well, mud is used to lubricate the cutting bit.钻油井时, 泥浆被用来润滑钻头.Lubricate adjuster screw threads and pivot with spray lube.使用喷雾润滑油润滑调整器螺丝螺纹和枢轴.You should lubricate the wheels of your bicycle once a mont...
Alastair: A new, young pianist from the Czech Republic called Irina Dubcek.阿拉斯泰: 是个刚出道的年轻钢琴家,来自捷克共和国,叫伊琳娜.杜布切克.Alastair has a bad back so we have a hard bed.阿拉斯泰尔背部有毛病，所以我们睡硬板床。Alastair: I went to a piano recital yesterd...
目的调查术前不同备皮方法 ( 剃毛与不剃毛 ) 对手术切口感染的影响.Objective To observe the influence of different skin preparation methods ( shaving or non - shaving ) on wound infection....
She realizes now she expected too much of Helen.现在她意识到自己对海伦的期望太高了。She now realizes that she misjudged him.她现在意识到她错看了他。He might find it difficult to return to the family fold when he realizes his mistake.他可能会发现等他意识到自己的错误时...
He told a news conference that the elections would be a masquerade.他在新闻发布会上说选举将是一场骗人的把戏。He might try to masquerade as a policeman.他也许会设法化装成警察.Many also attend the masquerade ball.许多人也会参加化装舞会....