Periostitis
n. 骨膜炎\\n[医] 骨膜炎
🗣️ 情景例句
The policemen could not cope with the crowds.
警察不能对付群众。
Knowledge is the antidote to fear.
知识可以解除恐惧。
But I'm worried about his Chinese.He may fall behind the other students when he comes back.
但我担心他的中文。等他回来后，他可能会落到其他同学后面。