Procallus
[医] 前驱胼骶, 胼骶前肉芽组织
🗣️ 情景例句
I'll come and give you a hand tomorrow.
我明天来帮你忙。
Please answer the door.
请去开门。
I felt very nervous when I went into his office.
我走进他的办公室，感到非常紧张。