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So did a thick, solid layer of sheep dung covering the floor.
VOA: special.2010.08.03
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They realized that the rice could fill up the entire world with a thick layer.
他们发现米粒,能厚厚地覆盖全世界。
哈佛公开课 - 幸福课课程节选
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They realized that the rice could fill up the entire world with a thick layer.
他们发现米粒,能厚厚地覆盖全世界。
哈佛公开课 - 幸福课课程节选