名詞 nicotine:

1. an alkaloid poison that occurs in tobacco; used in medicine and as an insecticide

1. Smokers who inhale are likely to become addicted to nicotine.
   吸煙的人容易對尼古丁上癮。

nic.o.tine

n.（名詞）
A colorless, poisonous alkaloid, C0H 4N 2, derived from the tobacco plant and used as an insecticide. It is the substance in tobacco to which smokers can become addicted.
尼古?。簾o色有毒生物堿，C0H 4N 2，從煙草中提取被用作殺蟲劑，它是煙草中致使吸煙者上癮的物質(zhì)

來源：
French
法語
from New Latin nicoti3na * see nicotiana
源自 現(xiàn)代拉丁語 nicoti3na *參見 nicotiana