学个词 Learn a Word-VOA英语教学 2286-chemicals

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 electronics¹, 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 nail² 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...

1 electronics   

n.电子器件，电子学，电子技术

参考例句：

• About 45000 people worked in electronics in Scotland.苏格兰约有4.5万人在电子行业工作。
• He wants to brush up his knowledge of electronics.他想温习他的电子学知识。

2 nail   

n.钉子，指甲；vt.用钉钉牢，使固定，使集中于，揭露

参考例句：

• He drove a nail into the wall.他把钉子钉在墙上。
• In order to hang the picture,he had to hammer a nail.为了挂那幅画，他必须钉枚钉子。