Periosteoma
[医] 骨膜瘤
🗣️ 情景例句
Oh, you think you're going to have a hard time
你认为需要大费周折
After my core courses are finished, I'll be doing independent study.
在完成基础课程之后，我将作独立的研究。
Have you received a letter from Jim yet?
你收到了吉姆的来信没有？