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2013-05-23 12:21
求翻译:The world is not only hungry, but also thirsty for water. This may seem strange to you, since nearly 70% of the earth's surface(表面) is covered with water. But about 97% of that is seawater, or salt water. Man can only drink and use the other 3%— the fresh water from rivers, lakes, groundwater, and other sources.(来源) An是什么意思? 待解决
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The world is not only hungry, but also thirsty for water. This may seem strange to you, since nearly 70% of the earth's surface(表面) is covered with water. But about 97% of that is seawater, or salt water. Man can only drink and use the other 3%— the fresh water from rivers, lakes, groundwater, and other sources.(来源) An
问题补充: |
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