To test the theory, the team deposited either nicotine or tobacco smoke on sheets of paper, and exposed them to nitrous acid.
为验证这一理论,他们将尼古丁或烟草烟雾吸附在纸上,让它们与亚硝酸反应。
To test the theory, the team deposited either nicotine or tobacco smoke on sheets of paper, and exposed them to nitrous acid.
为验证这一理论,他们将尼古丁或烟草烟雾吸附在纸上,让它们与亚硝酸反应。
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