industrial chemical短语⁷⁷³⁸⁵ 基本例句 工业用化学品 List of substandard milk powders: People searched for this after learning that many brands of milk powder had been laced with melamine, a toxic industrial chemical. 不合格奶粉名单：了解到多个品牌的奶粉掺加了有毒化工原料三聚氰胺的消息后，人们纷纷上网搜索这一名单。 hjenglish