Dichotypic
二型态的
🗣️ 情景例句
Something old ...
旧的东西……
Mr. Li is not afraid of working hard.
李先生不怕吃苦。
I've been here for about two years. I've been here since 1993.
我到这儿大约有两年时间了。我自1993年就到这儿学习。