Orthotype
定向型, 直模(标本)
🗣️ 情景例句
to read to the students--their own children, really.
共同为学生们， 其实就是他们自己的孩子， 朗读
He who makes no mistakes, makes nothing.
不犯错，将一事无成。
We were out of the part you needed.
你要的那种零件我们没有货了，