Periost
[医] 骨膜
🗣️ 情景例句
How much notice of cancellation is necessary to get my deposit back?
想把定金拿回来，要提前多长时间通知你才行？
Yes, we should try to contact more.
是的，我们应该联系多点。
I see. What do you want to do next fall?
我明白了。今年秋季你打算干什么？