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...
Patricia was kind, hearty, direct, full of a batting self - respect .帕特丽夏本来和很善良, 待人诚实, 说话直率, 自尊心 极强.Men with that capacity for self - abnegation do not reach a Presidency.具有那样 自我 克制能力的人根本当不了总统.The face is the true self v...
We catered for forty but only twenty came.我们准备了40客饭菜,但只来了20个人.Firstly, they must make certain that their pension needs are adequately catered for...首先，他们得确保他们能获得足够的养老金。Dozens of servants had catered to his every whim.几十个...
The heavy dark table is inlaid with lighter wood.笨重的深色桌子上嵌有颜色较浅的木头。an inlaid wooden box嵌花木盒子The lid of the box had been inlaid with silver.盒盖上镶嵌着银饰。...
他们慢慢地从舞台后方的左侧移至正中。They slowly moved from upstage left into the centre.他的房间位于四方院的左侧。His rooms were on the left-hand side of the quad.你会看见那座小教堂在你左侧的山上。You will see the chapel on the hill to your left....