Medullectomy
髓质切除术
🗣️ 情景例句
Hi. Welcome.
嗨， 欢迎你 。
He spends a lot of time reading books on ecology.
他花了大量的时间阅读生态学方面的书籍。
After I had stacked my shirts and underclothes in two empty drawers,
我将衬衫、内衣放进两个空抽屉里，