Trihedral
a. 有三面的
🗣️ 情景例句
Looking around. Especially with a purchase of this kind.
到处看看， 特别是这一类买卖。
I'm glad you enjoyed yourself; we enjoyed having you.
我高兴你过得愉快。承您光临，我们也过得很快乐。
Yes. In fact, I'm on our city team.
是的，事实上，我是我们市队的队员。