学个词 Learn A Word:2286_chemicals

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　　今天我们要学的词是 chemicals. Chemicals 化学物质。A group of scientists voiced new health concerns about a common class of chemicals used in thousands of products, including electronics, footwear, and sleeping bags. 科学家对一类常见化学物质对人体健康的影响表示关注，电器，鞋子和睡袋等数以千计的产品中都带有这类化学物质。The State of New York will institute new rules to protect manicurists from the potentially dangerous chemicals in nail products. 纽约州将实行新规定，保护美甲师不受美甲产品里有害化学物质的伤害。好的，今天我们学习的词是 chemicals, chemicals, chemicals...