单词:slow-neutron reaction
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VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with People in America in VOA Special English. Today we tell about one of the greatest American presidents, Franklin Delano Roosevelt. (MUSIC) VOICE ONE: Franklin Delano Roosevelt Frank
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十一长假已过,对于参加考研的考生来说,距离考试的时间又临近了,已不足百天,到了真正关键的冲刺时刻。考研英语一直是大家备考的重点,词汇更是基础。 新东方在线网络课堂考研英语
Circulatory Function of the Liver While the liver is technically part of the gastrointestinal system, it also plays an important role in blood circulation. The liver has been called the antechamber of the heart because it collects and processes all o