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Welcome to the Voice of America's News Words.
欢迎收看美国之音：新闻词汇。
In the United States, federal, state and local agencies are investigating a rise in lung injuries.
在美国，联邦、州和地方机构正在调查肺部损伤人群的增多。
Vaping. In November, the U.S. Centers for Disease Control and Prevention announced
电子烟。11月，美国疾病控制和预防中心宣布，
that more than 2000 cases of lung injuries, including 47 deaths, were connected to vaping.
包括47例死亡在内的超过2000例肺损伤和电子烟有关。
The agency has identified vitamin E acetate, a liquid thickener, as a chemical of concern.
该机构已经确认维生素E醋酸盐，一种液体增稠剂，是一种值得关注的化学物质。
Vaping is the act of inhaling vapor through the mouth.
它是指通过嘴吸入蒸汽的行为。
Vaping uses a battery-operated electronic device to heat and mix small particles with air.
电子烟使用电池驱动的电子设备来加热并将小颗粒与空气混合。
