The yield of chlorination was 92.8 % , using phosphorus oxychloride as the chlorinating agent.在氯化反应中, 以三氯氧磷为氯化剂,产率为92.8%.In the reaction of chlorination, carbon tetrachloride was used agent, and chlorine gas as chlorinat...
你这个懒汉还没穿好衣服吗？Aren't you dressed yet, you lazy beggar?他们批评那个懒汉夸大自己的小病而不肯干活.They criticized the lazybones for playing up his slight illness.他们把懒汉作为罪犯来惩罚.They punished the idler as criminals....
The Monarch Butterfly breathes through its wings and female Monarchs have thicker wing veins.帝王蝶通过翅膀呼吸,雌性帝王蝶有更加厚实的翅膀脉络.But under our gracious monarchs there are many degrees of rank ; one of these I fill.但是在我们的仁慈的君主下面,还有...
He watched Karl run across the street to Tommy.他看着卡尔向街对面的汤米跑去。He made a kamikaze run across three lanes of traffic.他不要命地冲过了三条车道。Don't run across the road until you're sure it's safe.在确定是否安全之后才跑过街....