3. someone who is unable to stop taking drugs
4. a very thin, pointed steel tube, which is pushed into your skin to put a drug or medicine
addictive
adj. (药物等) 上瘾的
danger
n. 危险
n. 瘾君子
1. the possibility of harm or death to someone
2. an addictive drug is one which you cannot stop taking once you have started
needle
n. (注射用的) 针管
addict