There are more than 6,000 million peopel on the earth and ab

问题描述:

There are more than 6,000 million peopel on the earth and about 2,500 languages是什么意思?
1个回答 分类:综合 2014-10-13

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地球上超过了60亿的人口,有大约2500种语言
 
 
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