Polymerization of isoprene in the presence of ( NdCl 3 + FeCl 3 ) n Phen HAl - ( i - Bu ) 2 was studied.本文报道由(NdCl_3+FeCl_3 ) ·nphen -HAl ( i -Bu ) _2催化体系引发异戊二烯聚合的结果.There is a great deal to learn from Hal's expert ...
There is a great deal to learn from Hal's expert approach.从哈尔熟练的方法中可以学到很多。Hal Sperlich was already at Chrysler when I arrived.我来到克莱斯勒公司时,哈尔·斯珀里奇已经先到.After a while everyone ceased to speak of Hal except in passing.过了...
a parody of a horror film一部恐怖电影的仿作She laughed, twisting her shoulder in a horrible parody of coquetry.她笑了, 一面扭动着肩膀,做出一副肉麻的卖弄风情的姿态.By the end of his life, Presley's vocals often descended close to self-parody.在人生的最后阶...
他们拆掉了木栅栏，并砍去了一些树枝。They've torn down wooden fences and broken branches off trees.他们拆掉户籍登记处后，那里留下了一片空地。They'd pulled the registry office down which then left an open space.他们要求坑道工兵修桥或拆雷。They requested sappers to ...
He had accused three opposition members of corrupt practices.他指控3名反对派成员营私舞弊。The newspaper alleged the mayor's corrupt practices.那家报纸断言市长有舞弊行为.The official led a corrupt life.这个官员过着堕落的生活....
A patient will usually listen to the doctor'sadvice and act on it.患者通常都会遵照医嘱行事。Many people act on impulse without counting the cost.很多人不考虑后果就莽撞行事。Don't act on caprice. Study your problem.不要任性行事, 研究一下自己的问题....
早期的定居者用云杉木、枫木和松木建造屋架。Early settlers built frames of spruce, maple and pine.坚固的云杉木做成的桅杆已经弯得像一把弓，那一刻我觉得它马上就要断了。The mast, which was a solid spruce spar, bent like a bow, and for a moment I thought we were going to lose it.制...