/ə'dɪktɪd; ə`dɪktɪd/
adj [pred 作表语] ~ (to sth)
1 unable to stop taking or using sth as a habit 成习惯而离不开某事物; 对某事物有瘾
*become addicted to drugs, alcohol, tobacco, etc 对麻醉药, 酒, 烟等上瘾了.
2 strongly interested in sth as a hobby or pastime 对某事物有强烈兴趣而成为嗜好或消遣的
*be addicted to TV soap operas 沉迷于电视连续剧.

adj
unable to stop taking a harmful substance, especially a drug
addicted to
　50 million Americans are thought to be addicted to nicotine.
liking something so much that you do not want to stop doing it or having it
addicted to
　kids addicted to surfing the Net