Triadaxis
三次对称轴
🗣️ 情景例句
I am too, Dad.
我也一样， 爸爸。
I'm happy when I skate.
溜冰真是快乐呀。
No, Mrs Brown. Your son's trouble is very common these days. It happens all the time. It comes and goes very quickly. He'll get well soon.
是的，布朗太太。你儿子的毛病现在是极常见的，经常有的。它来得快，去得也快。他不久就会好的。