单词：in situ polymerization
单词：in situ polymerization 相关文章
By Suzanne Presto New York 31 August 2007 The U.N. Assistant Secretary General for Humanitarian Affairs and Deputy Emergency Relief Coordinator, Margareta Wahlstrom, says the humanitarian situation in Sudan's western Darfur region is worsening. From
2007年VOA标准英语（八月）
图片1 certain adj. 确定的，某一个，无疑的，必然的，可靠的 例句：For certain reasons I will be unable to attend the meeting. 因为某种原因，我不能出席这次会议。 certainly adv. 的确，（口语）当然，行 例
漫画搞定六级词汇（文本+音频）
Part 9 - Difficult work situations andasking for a pay riseThis programme was first broadcast in 2001This is not an accurate word-for-word transcript of the programmeCarmela: Now youre too busy to worry about reading English grammar books anddiction
英语讨论
By Phillip Wellman Dakar 12 October 2007 Officials at the United Nations say they would like to review disaster management policy in West Africa, where recent floods have killed hundreds and left hundreds of thousands displaced. They say the floods h
2007年VOA常速英语（十月）
By Tony Budny Washington 28 February 2008 A top United Nations official is warning U.S. lawmakers that Iraqi refugees face what he terms absolutely dire circumstances in their countries of asylum. Between two and five million Iraqis have fled their h
VOA常速英语2008年（二月）