industrial chemicals短语¹⁴⁴⁹⁷²⁺² 基本例句 化工原料 And a2008 investigation by the nonprofit Environmental Working Group found some bottled water is sullied with untested industrial chemicals, and may not necessarily be cleaner than tap water. 一个由非盈利性组织环境工作组2008年调查发现，一些瓶装水公司使用的是未经测试的化工污染水，不见得比自来水更清洁。 yeeyan