Unknow
vt. 不知道或不了解
🗣️ 情景例句
My day was just fine.
这一天还好。
In college I majored in science.What was your major?
在学院我主修了自然科学，你主修了什么？
A few peopple in each group are given the task of remembering the group's family history that goes back over centuries.
每一个家族都有几个人担任记忆延续了几个世纪的家史的任务。