词性是名词和动词,例如:

1、He's been mixing with drug addicts and other undesirables.他一直跟瘾君子和其他不良分子混在一起。

2、He's only 24 years old and a drug addict.他只有24岁,却是个瘾君子。

3、He's addicted to computer games.他迷上了电脑游戏。