点击下载:《大学英语精读》课程教学课件(PPT讲稿)Book 1 Unit 7 The Sampler
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The scientist sampled the spring water and declared it beneficial to human being. 科学家抽样检查了此矿泉水并声明它 对人类的健康有益。The scientist sampled the spring water and declared it beneficial to human being. 科学家抽样检查了此矿泉水并声明它 对人类的健康有益
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点击下载:《大学英语精读》课程教学课件(PPT讲稿)Book 1 Unit 7 The Sampler
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