资本家利用劳工的剩余价值发家致富.Capitalists use laborers'surplus value to make a fortune.劳工的工资很低廉, 但是水 、 电和就学则是免费.Wages were low, but water, electricity and schooling were free.雇主愿减少劳工的人事流动.Employers wish to reduce labor turnover....
Result: In optimal conditions, the yield of n - butyl gallate was over 93.8 %.结果: 在最佳实验条件下没食子酸正丁酯收率达93.8%.Iso - army gallate was synthesized by esterification of gallic acid with iso - army alcohol catalyzed by 4 - methy...
今天早晨，刘易斯面色憔悴、疲惫不堪地递交了辞呈。This morning, looking harassed and drawn, Lewis tendered his resignation.英国驻黎巴嫩的新任大使已将国书递交给总统。Britain's new ambassador to Lebanon has presented his credentials to the President.她很快递交了辞呈。She q...