Demicircular
半圆(形)的
🗣️ 情景例句
My computer was infected by a virus, I guess since I didn't have firewall installed.
我的电脑受到病毒感染了，我想是因为我没装防火墙。
Women commonly live longer that men.
女性通常比男性长寿。
Oh, yes, no problem about that.
哦，可以。没问题的。