单词：
单词： 相关文章
06 Working in a Laboratory lab laboratory; a place where scientists and engineers work, conductingexperiments and tests* Students have to wear protective eyeglasses whenever they go into the lab. colleague co-worker; a person whom one works with, usu
2010年ESL之商务英语
Millions of people worldwide have been reported missing. Many of them went missing as a result of armed conflicts, such as the war in Syria, or in other places of violence. Large numbers of people disappear after natural disasters. A new laboratory e
2017年VOA慢速英语(十一)月
By Al Pessin Pentagon 26 June 2007 In the wake of a series of high-profile incidents in which U.S. and NATO attacks have killed Afghan civilians, a senior American officer with responsibility for both forces says allied procedures for avoiding civili
2007年VOA标准英语（六月）
Authorities have charged the suspect with attempting to detonate explosives aboard an airliner Michael Bowman | Washington 27 December 2009 Photo: ASSOCIATED PRESS Holiday travelers wait in a long line at the Detroit Metropolitan Airport. The U.S. go
VOA标准英语2009年(十二月)
Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Joshua Leo. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Imagine that you are sitting down to
环球英语 Spotlight
Tsinghua University released the initial investigation results provided by Haidian Public Security Bureau a few days ago, which revealed that a hydrogen cylinder exploded accidentally, and the whole lab then caught fire. Meng Xiangjian died as the re
2015CRI中国国际广播电台