Derivatives of bromine are much more active than the corresponding one of chlorine.溴的衍生物的活性要比相应的氯的衍生物大得多.Polyfluorene and its derivatives is one of the most promising electroluminescent polymers.聚芴衍生物是最有发展潜力的电致发光材料之一.The...
For battle they wore a cuirass ( breastplate ) , helmet, and greaves.战场上,他们身着重装胸 甲, 头盔和护胫甲.Greaves was 27 then, the same age as Owen is now.格里夫斯那时27岁, 同现在的欧文一样....
He has always protested his innocence.他一直申辩自己是无辜的。I protested, but she carried on regardless.我极力反对, 但她仍一意孤行.The accused man protested his innocence.被告申明自己是无辜的....
他们声称会诉求乔治?纳波利塔诺总统辞退他.They said they would ask President Giorgio Napolitano to sack him.船7月5日开航, 直驶安纳波里斯.The boat set sail on July 5, headed directly for Annapolis.是格里菲斯·乔依娜在印地安纳波利斯创下的.Griffith Joyner set it at Indianapol...
拙匠无利器.A bad shearer never had a good sickle.市内利器伤人案增多,警方甚感忧虑.The police are worried about the increase in the number of stabbings in the city.一切工具都是危险的利器.All tools are in one sense edge - tools, and are dangerous....