紫胶恰巧还是一种有效的绝缘物.Shellac also happened to be an effective electrical insulator.把紫胶溶解在乙醇里形成的一种稀薄的清漆;通常作为面漆涂在木料上.A resinous secretion of the lac insect deposited on trees and used in making shellac.介绍了天然可食紫胶色素的组成 、 特性及提取技术等方...
See if you can nail the chairman down to an exact date.看你能不能迫使主席把准确日期定下来。The main events were as follows: first,the president’s speech,secondly,the secretary’s report and thirdly,the chairman’s summing-up.主要活动如下:第一项,总裁讲话...
The scientist has spent six months in the solitudes of the Antarctic.这位科学家已经在人迹罕至的南极待了六个月了.The love which this, that two solitudes protect and limit and great each other.两个孤独的人相互保护,相互制约,相互问候, 这便是爱情.The love which consist...
Have you ever seen such a bunch of self - righteous , arse - covering prigs?为什么我总是遇到一些自以为是的 饭桶?Have you ever seen such a bunch of self - righteous, ass - covering prigs?还有你见过一群正义的 、 西装的伪君子 吗 ?Have you ever seen such a bu...
The evening finished with the welcoming of three new members...晚会的最后是欢迎3个新成员。To genuine proselytes of whatever race, Judaism long held out welcoming arms.对于任何种族的真心诚意地改变信仰的人, 犹太教久已伸出欢迎的手臂.The University has a well-establi...