方法: 用溴代及胺化反应合成了四甲基吡嗪衍生物.METHODS: The target compound was prepared by the bromination and amination reaction.论述了三丙酮胺纯度对加氢和还原胺化反应的影响.The effects of triacetoneamine concentration on hydrogenation and amination were discusse...
这种行为可由汤姆森原子模型推知.This behavior follows from the Thomson atomic model.法官从结果中推知动机.The judge inferred a motive from an effect.从迈尔斯博士和沃尔姆博士的论文中我们可以推知.We can infer from Dr. Myers and Dr. Worm's paper that....
Any signs of discontent tend to be magnified and overanalyzed.稍有不满便会被上纲上线。His glasses magnified his irritable glare.他那怒不可遏的眼神在眼镜片下显得愈发逼人。This is cliquism in a magnified form.这是一种放大了的小团体主义.Departmentalism is the magnified...
'There we go,' said Diane, a trifle too cheerily…“这就对了，”黛安娜说道，语气有点儿过于兴高采烈。"There we go," said Diane, a trifle too cheerily.“这就对了，”黛安娜说道，语气有点儿过于兴高采烈。'It must be very difficult,' said Hunter, feeling a ...