基本解釋[機械工程]戒菸英漢例句雙語例句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.人一旦對吸菸上癮後便很難戒掉，因爲菸草中的尼古丁被廣泛眡爲毒品，它對中樞神經(jīng)系統(tǒng)起刺激作用。blog.sina.com.cnswear off tobacco更多例句專業(yè)釋義機械工程戒菸