Periostosteitis
[医] 骨膜骨炎
🗣️ 情景例句
What's the book about?
这些书写什么？
It's an honor to be speaking to you today.
今天跟你们说话至感荣幸。
Most animals we commonly observe do in fact age as we do,
我们通常看到的大多数动物，也会像我们一样衰老的。