The physical properties of rubber accelerator 2 - mercapto benzothiazole and main methods for its preparation are introduced.介绍橡胶硫化促进剂 2- 巯基苯并噻唑的物理性质和主要的制备方法....
Scores of congratulatory telegrams and letters greeted Franklin on his return.富兰克林一回来，就收到了好几十封贺电和贺信。Telegrams expressing sympathy poured in from all parts of the country.全国各地纷纷打来了慰问电.I received two telegrams today.我今天收到了...
At tea-time, Victoria sang duets with her Consort, Prince Albert.喝下午茶的时候，维多利亚与其夫君艾伯特亲王表演了二重唱。She was surely the most distinguished queen consort we have had.毫无疑问她是我们拥有的最为出众的王后。The Sinfonietta shares the stage with a cons...
他在州街登上了一辆北行的有轨电车。He took a northbound trolley on State Street.售票员吹哨子, 电车停了下来.The conductor blew his whistle, and the tram stopped.这儿乘电车很近便.This place is close and convenient to the street - car....
检查牙齿的个别缺损是外科的事.Examination of the teeth for individual defects is a surgical subject.符号表示连接至设备外科的连接端子.The symbol indicates connection terminal to the equipment frame.采购产品外科的穿衣, 剖腹手术, 羊毛, 石膏, 音带, 绷带, 外科的衣服.Surgical Dressi...