Tref
a. (按犹太教食规) 不洁净的, 不可食用的
🗣️ 情景例句
You probably heard about it. We have private teachers in our holiday.
或许你已经听说过。我们交大的学生在假期间做家教。
Let your yea be yea and your nay be nay.
是就是，非就非。
Yes. Go straight ahead till you see the entrance.
可以。一直往前走，直到入口处。