A 15-year lifespan is not uncommon for a dog.15年的寿命对狗而言是比较常见的。Most boilers have a lifespan of 15 to 20 years.绝大多数锅炉有15至20年的使用期限。Worms have a lifespan of a few months.蠕虫的寿命为几个月。...
将联合加成 - 消除反应的结果称为缩合反应.The combined addition - elimination sequence is referred to as a condensation reaction.与氰氢酸的加成是碱催化的.The addition reaction with hydrogen cyanide is base - catalysed.溴化氢加成的最后一步,是负离子亲核试剂的附加.The additio...
第十一章船舶优先权催告程序.Chapter XI Procedures for Publicizing Notice for Assertion of Maritime Liens.船舶优先权催告期间为六十日.The period of publication of a notice for maritime liens shall be sixty days....
He's at a crossroads in his career — either he stays in his current job and waits for promotion, or he accepts this new post in Brazil.他的事业正处在紧要关头,要么继续干目前的工作,等着升职, 要么就接受巴西的新工作.A call control signal sent by the calle...