所加的反应物可以是二烯烃 、 环二烯烃.The feed reactants can be alkadienes, cycloalkadienes.包含两个双键的化合物叫做二烯烃.Compounds containing two double bonds are called dienes.与二烯烃橡胶相比, EPDM的双键很少.Compared with diolefine rubber, EPDM has less double b...
...the dense primeval forests that once covered inland Brittany.曾经覆盖着布列塔尼大区内陆的茂密的原始森林The explorer spun many fantastic tales about his adventures in the primeval forests.那探险家杜撰了许多他在原始森林里历险的离奇故事.It'straggled onward in...
The effects of glucocorticoids on the systemic and vascular components of GCA are not understood.糖皮质激素对于系统性和血管性GCA的疗效还不是很清楚.Lithium carbonate, G CSF and glucocorticoids were very effective in agranulocytosis induced by A...
He chooses to look into the matter till the truth is out.他决定调查那件事直至真相大白.Each week Dr Buczacki chooses a listener's question and gives a detailed answer.每个星期布柴齐医生都会选取一位听众的问题，给予详细回答。Each teenager chooses his own way t...
Armed robbery and abduction have been on the increase countrywide.持械抢劫和诱拐案的案发率在全国范围内都有所上升。SKINNER: Where? Where's the UFO activity after Mulder's abduction?斯金纳: 那里? 飞碟在绑架了莫特后去了哪里?Boss Skua: I got two words for ...