Procallus
[医] 前驱胼骶, 胼骶前肉芽组织
🗣️ 情景例句
What's wrong?
什么病
I'd like to take off for home tomorrow.
我想下星期五请假。
They play it like this, six students stand in a row in front of the class.
6个学生在全班前面站成一排。