Periosteum
n. 骨膜\\n[医] 骨膜
🗣️ 情景例句
That's another surprise.
这是另一个惊喜。
All things are easy that are done willingly.
做事乐意，诸事容易。
The snake, however, continued to 'dance' slowly.
然而那蛇却还是缓慢地“舞动”着。