Egoistical
a. 自我中心的, 自私自利的
✅ 同义词
🗣️ 情景例句
And it turns out he's a classmate of Philip's.
有意思的是 他和Philip是同班同学。
You are brighter than I am.
你比我聪明。
It is fairly clear that sleeping period must have some function,
很清楚，睡眠必然具有某种作用。