沉迷于英文短语是be addicted to。
关键词汇：addicted
音标：英[əˈdɪktɪd] 美[əˈdɪktɪd]
详细释义：
adj. 上瘾的; 上瘾; 成瘾; 有瘾; 入迷;
短语搭配：
例句：
1、We can be addicted to people and need them rather than love them.
我们也可能对“人”上瘾，需要他们多过爱他们。
2、Some people may be addicted to netsurfing, which impairs their studies.
有些人沉迷于网上冲浪，这对他们的学业有害。
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