The workmen are busy wiring the new school.工人们正忙着给那所新建的学校装电线。The doorknobs, hinges and copper wiring were stolen, as were the appliances and carpet.门把手 、 铰链、铜配线, 还有家用电器和地毯都被偷的一干二净.Check all your wiring before switching o...
She stayed with them, linking arms with the two girls, joking with the boys.她跟他们呆在一起，与两个女孩手挽手，和男孩子们开着玩笑。Andersen stayed single all his life.安徙生终身未娶.In the act of going he stayed to straighten the bedspread.他边往外走,边停下脚来抻了抻...
With the column ov - 17 ( 2 % ) on Chromosorb W AW - DMCS ( 60 - 80 mesh ) , 1.5 m glass column with 3.2 mm i. d.色谱柱为玻璃柱Φ3.2mm×1.5m ( OV-17涂渍量2% )."Have you said all this to the police?" — "Aw, come on!"“你是不是把这些都告诉警方了？”“...
We must supersede old machines by new ones.我们必须以新机器取代旧机器。The use of robots will someday supersede manual labor.机器人的使用有一天会取代人力.We must supersede old machines by [ with ] new ones.我们必须以新机器取代旧机器....
化学家能把一种药物的各种成分分解出来.A chemist can separate a medicine into its components.化学家用电解法把水还原为氢.The chemist reduced water by electrolysis.了解这些稀有分子能帮助化学家找到可实现的目标。Understanding these rare molecules will help chemists to find out wh...