The USCF researchers concluded that many kids who went on to smoke regular cigarettes may not have used nicotine at all if e-cigarettes did not exist.

研究者们表示，电子烟的出现让那些平时只抽普通香烟的孩子开始接触尼古丁。

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The USCF researchers concluded that many kids who went on to smoke regular cigarettes may not have used nicotine 2 at all if e-cigarettes did not exist.

加利福尼亚大学的研究人员总结称，电子烟的出现让那些平时只抽普通香烟的孩子开始接触尼古丁。

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The USCF researchers concluded that many kids who went on to smoke regular cigarettes may not have used nicotine 2 at all if e-cigarettes did not exist.

加利福尼亚大学的研究人员总结称，电子烟的出现让那些平时只抽普通香烟的孩子开始接触尼古丁。

youdao