The isocyanates can be obtained by the fluorination of nitrogenous cylic or acyclic molecules.异氰酸酯可由含氯的环(或非环)状分子氟化而得.The inheritance hierarchy is actually a directed acyclic graph.注意:继承实际上是开放的层次关系.The Acyclic Dependencie...
luscious silks and velvets柔软光滑的丝绸和天鹅绒They continued to get their silks from China.他们继续从中国购买丝绸。She was dressed in rich materials - satins , and lace, and silks - all of white.她穿的都是贵重料子,绸缎花边一应俱全, 全身雪白....
海员的生活很不舒服.The life of a sailor is full of discomfort.伦敦的码头工人也照海员的样子行事.The London dockers too followed the lead of the seamen.海员的国籍国应即通知海员最近的亲属.The State of nationality of the seafarer should promptly notify the seafarer&...
He inquired whether there had been any messages for him.他询问是否有留给他的口信。This is actually a very entertaining book putting over serious health messages.这实际上是一本非常有趣的书，讲述了大量的健康知识。We have learnt how to condense serious messages...