She was dancing while someone substituted at the piano.她在跳舞,别人代她弹钢琴.Glass blocks are sometimes substituted for ordinary bricks.有时,玻璃砖被用来代替普通的砖.He substituted for the worker who was ill.他顶患病的工人干活....
She was dancing while someone substituted at the piano.她在跳舞,别人代她弹钢琴.The synthesis methods of melatonin, related tryptaminetryptamine derivatives and substituted indoles are discussed.从人工合成的角度综述了美乐托宁及有关化合物色胺、色胺衍生物及吲哚衍生物的制...
The law allows doctors to prescribe contraception to the under 16s.法律允许医生给16岁以下未成年人开避孕药。She is known to have liberal views on divorce and contraception.众所周知，她在离婚与避孕方面思想很开明。to give advice about contraception就避孕方法提供咨询...
A cucumber was sliced into rounds.黄瓜被切成了圆片。This story was going the rounds 20 years ago.20年前，这个故事广为流传。These are ６ whole rounds of bread.这些是六整份的面包。...small fresh rounds of goats' cheese...新鲜的小块圆形山羊奶酪The night watchma...
除股价上升之外还有无形利益。There are intangible benefits beyond a rise in the share price.关节炎的新疗法可能是止痛药之外的另一种选择。New ways to treat arthritis may provide an alternative to painkillers.把手位于车门之外。The handles stand proud of the doors of th...