Isomerization occur during bromine reaction, that is mean secondary allylic configuration changes into primary allylic configuration.在溴化反应过程中存在分子结构重排, 即溴代仲位烯丙基构型向溴代伯位烯丙基构型发生转化....
The Hayward exhibition has been curated by the artist Bernard Luthi.海沃德艺术展是由艺术家伯纳德·吕蒂组织的。For forty - eight hours, Hayward lived in an agony of indecision.海沃德足足有 四十八 小时坐卧不安,拿不定主意.Hayward could still talk delightfully abou...
He blew his nose with great vigour.他使劲擤了擤鼻子。He worked with renewed vigour and determination.他以新的活力和决心工作着。This young fellow does his work with vim and vigour.这小伙子干活真冲....