學個詞 Learn A Word:2286_chemicals

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　　今天我們要學的詞是 chemicals. Chemicals 化學物質(zhì)。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. 科學家對一類常見化學物質(zhì)對人體健康的影響表示關(guān)注，電器，鞋子和睡袋等數(shù)以千計的產(chǎn)品中都帶有這類化學物質(zhì)。The State of New York will institute new rules to protect manicurists from the potentially dangerous chemicals in nail products. 紐約州將實行新規(guī)定，保護美甲師不受美甲產(chǎn)品里有害化學物質(zhì)的傷害。好的，今天我們學習的詞是 chemicals, chemicals, chemicals...