两者通过普通的分馏彼此分离.It can be separated from each other by ordinary fractional distillation.气体分馏 - 间歇式聚丙烯联合装置中一些气体的排放会造成很大的浪费和环境污染.The gases light - ends unit may cause serious waste and environment pollution.分馏法只属物理方法,不能分解化合物...
They settled with Colin at the end of the evening.晚上聚会结束的时候他们和科林结清了账。He casually waved over the waitress and settled the bill.他漫不经心地向侍者挥手结账。He got his coffee, came back and settled down to listen.他喝了杯咖啡，回来后开始认真听讲。"It...
BrIt'system of signalling by hand signs used by bookmakers at racetracks.堵住登记经纪人在跑道上用手势发信号的系统.Unlike traditional bookmakers, Betfair punters bet against each other.不同于传统的庄家, 在必发的赌客是互相赌的....