swear off tobacco
常见例句
- Once the human becomes addicted after smoking is very then difficult to swear off, because in tobacco's Nicotine widely regards as narcotics, it plays the stimulation to the central nervous system.
人一旦对吸烟上瘾后便很难戒掉，因为烟草中的尼古丁被广泛视为毒品，它对中枢神经系统起刺激作用。
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