Its main components include propane, butane and butylene.主要成份是丙烷 、 丁烷、丁烯等.Catalytic oligomerization of remain butylene is a way for enterprises to rebottle andpotentialities for more benefits.剩余丁烯催化齐聚是企业消除瓶颈、挖潜增效的途径.By m...
He cut his teeth in the sixties as director of Edinburgh's Traverse Theatre.他 60 年代刚出道时在爱丁堡特拉弗斯剧院担任导演。The post of principal of the theatre school became vacant and he leapt at the chance.戏剧学校校长一职出缺，他马上抓住了这个机会。She is...
Pare the brown skin from the meat with a very sharp knife.用一把非常锋利的刀将褐色的皮从肉上剥去。First, pare the rind from the lemon.首先把柠檬皮剥掉。Pare off the rind from the orange using a sharp knife.用锋利的刀子削去橙子皮....