It was the first face-to-face meeting between the two men.这是两人首次当面会晤。Eventually, he came face to face with discrimination again.最终，他又一次遭遇歧视。I deal with customers on the phone and rarely meet them face-to-face.我用电话和客户打交道，...
我向下滚动文档搜索“美利坚合众国”。I scrolled down to find "United States of America".美利坚合众国the United States of America美利坚合众国常被缩略为U. S. A..The United States of America is commonly abbreviated to U.S.A.....
The first catalytic converters were called conventional oxidation catalysts.最初的转化器叫做常规氧化催化器.Many processes that are essential to the chemical industry use heterogeneous catalysts.很多重要的化学工业过程就是使用多相催化剂的.Catalysts that lowe...