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来源:雅诚德英语网
An estimated six to nine million metric tons of such pesticides persist, often improperly stored.
估计还有600万到900万公吨这样的杀虫剂,而且经常存放不当。
An estimated six to nine million metric tons of such pesticides persist, often improperly stored.
估计还有600万到900万公吨这样的杀虫剂,而且经常存放不当。