单词：repressible operon
单词：repressible operon 相关文章
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By Deborah Tate Capitol Hill 09 March 2006 A company based in the United Arab Emirates, Dubai Ports World, says it is transferring management operations at six U.S. ports to a U.S. entity. The surpris
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unit 410 打越洋电话至北京 dialogue 英语情景对话 A:Opercrtor, I want to make a collect overseas phone call to Beijing. A:接线生，我要打一通对方付款的越洋电话到北京。 B:Whom would you like to talk to? B:您要找哪？
高频英语口语对话
一个英语单词可分为三部分：前缀（prefix）词根（root）后缀（suffix）。位于词根前面的部分就是前缀。前缀，可以改变单词的意思。 ation (用于名词)动作（造成的状态或结果） accommodation n.招
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