Periosteum
n. 骨膜\\n[医] 骨膜
🗣️ 情景例句
I care about the school buildings in need of paint.
我关心学校的建筑物需要粉刷。
The mailbox is over there.
邮筒就在那儿。
People said gold could easily be picked up by washing sand from the river in a pan of water.
据说，在一盆水里淘洗可沙就很容易找到金子。