...害化学(Environmentally Benign Chemistry)、环境友好化学(Environmentally Friendly Chemistry)或 清洁化学 ( Clean Chemistry ),就是把化学知识、化学技术和化学方法应用于所有的化学品和化学过 程，以减少直到消除对人类健康和环境有害的反应原料的使用、反...
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我很吃惊，她把我带进了一幢充斥着油煎食品、化学清洁剂和熏香味道的公寓楼！
I got very surprised when she led me into an apartment building, which smelled like frying food, chemical cleaning sprays and incense!
有毒化学物质在我们的生活中随处可见，比如公共草地上用于杀虫的化学制剂，以及公共区域地板上用于清洁的化学物质。
Toxic chemicals are everywhere in our lives—insect-killing chemicals used on public grass areas, cleaning chemicals on the floors of public areas.
他用来清洁仪器的化学物质与他在实验中使用的化学物质混合在一起，产生了一种亮紫色。
The chemicals he used to clean his instruments mixed with the chemicals he used in his experiment and produced a bright purple color.
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