单词学习：self-involved 形容词
self-involved
/ˌself ɪnˈvɒlvd/
只关心自己的，自我专注的，沉溺于自我世界的
The self-involved student didn't notice that Ms. Gu had been trying to get his attention for five minutes.
那个只关心自己的学生没有注意到顾老师已经试图引起他注意五分钟了。
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