METHODS: The target compound was prepared by the bromination and amination reaction.方法: 用溴代及胺化反应合成了四甲基吡嗪衍生物.The effects of triacetoneamine concentration on hydrogenation and amination were discussed.论述了三丙酮胺纯度对加氢和还原胺化反应的影...
A dog wiggles his tail.狗摇尾巴.To the toad, the garden is a worm that wiggles , a bug that flies.对蟾蛤来说, 花园只是一条蠕动的软体虫, 一只飞舞的昆虫.And it wiggles and jiggles, but don't eat it.看着它摇晃舞动, 但是不能吃下去....
Tramp, tramp , tramp , columns of militiamen marched by in perfect step.一队队民兵欻欻地走过去,非常整齐.When the car stopped in the town square it was surrounded by soldiers and militiamen.当汽车停在城镇广场时立刻被士兵和民兵包围了。The militiamen started o...
手术台旁边是张桌子,上面放着一套手术器械和消毒药品.Beside the operating table was a stand on which the instruments and antiseptics had been placed.我下了手术台,结果变得像怪物史莱克!I get off the surgery table looking like freaking Shrek.这只是他们自己捏造的理由,将我送上了手术台.It...
These days work plays an important part in a single woman's life.现在，工作在单身女性的生活中起着重要作用。He was in large part a journalist and propagandist.他很大程度上是个新闻记者和宣传者。673 private golf clubs took part in a recent study.673家私人高尔夫俱...