VOA慢速英语2014.01.11 英语, people, living, chemical, countries

Rebecca949

Millions of people in developing countries living near toxic waste dumps. A new study looked at the dangers of living near these chemical waste sites. 发展中国家有数百万人居住在有毒废料堆放场附近.一项新的研究对居住在化学废物处理场附近的危险性进行了调查.
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