DYK: Nicotine in e-cigarettes is a highly addictive drug and can damage the developing brains of young people up to their mid-twenties.
DYK -- do you know
nicotine -- [ˈnɪkətiːn] 尼古丁
e-cigarette -- [i:] [ˈsɪɡəret] 电子烟
addictive -- [əˈdɪktɪv] 使人上瘾的
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