harmful chemicals短语⁹⁰⁸⁸⁷⁺⁷ 基本例句 un.有害化学物品；🌏有害化合物 Industrial-grade sulfur, paraffin, hydrogen peroxide and insect repellent are among the harmful chemicals that Chinese media investigations have exposed during production. 工业级硫磺，石蜡，过氧化氢和杀虫剂都曾在中国媒体调查生产过程中被曝光。 yeeyan