介绍了吩噻嗪的制备方法, 主要是二苯胺与硫在催化剂存在下反应的方法.Its preparation method, which mainly reacted by diphenyl amine and sulfur with catalyst, is introduced.本文报道了两种新的吩噻嗪衍生物的合成, 光学及其电化学性质.The synthesis, luminescence and electrochemical prope...
In the course of time, many of their myths become entangled.最后，他们很多荒诞的说法都变得错综复杂了。Some objects had got entangled with the underneath mechanism of the engine.一些东西缠在了发动机下面的机件上。This case was bound to get entangled in interna...
你这个上当受骗的傻瓜！You poor deluded fool!她受骗买了条一文不值的项链。She had been hoodwinked into buying a worthless necklace.一想到受骗了他们就义愤填膺.They were full of righteous indignation at the thought of being cheated....
因此,这些溶解了的物质就从岩石圈转移到水圈.These dissolved materials thus pass from the lithosphere to the hydrosphere.水圈与岩石圈一起形成地球的表面.The hydrosphere and the lithosphere together form the Earth's surface.地球表面的水都属于水圈的范畴.All the water of...
A cluster of vultures crouched on the carcass of a dead buffalo.一群秃鹫蹲伏在一具野牛的尸体上。The vultures were already circling around the dead animal.兀鹰已经在绕着动物的尸体盘旋了.Vultures circled over a dead animal.秃鹫在动物尸体上空盘旋....