學(xué)個(gè)詞 Learn A Word:2286_chemicals

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　　今天我們要學(xué)的詞是 chemicals. Chemicals 化學(xué)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(xué)家對(duì)一類常見化學(xué)物質(zhì)對(duì)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(jì)的產(chǎn)品中都帶有這類化學(xué)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(shí)行新規(guī)定，保護(hù)美甲師不受美甲產(chǎn)品里有害化學(xué)物質(zhì)的傷害。好的，今天我們學(xué)習(xí)的詞是 chemicals, chemicals, chemicals...