Epithelium
n. 上皮\\n[医] 上皮
🗣️ 情景例句
No? You didn't take it?
没有？ 你没有接受？
The mill cannot grind with the water that is past.
覆水难收。
as my wife and I discovered during a tour through the Balkans.
我与妻子在一次周游巴尔干半岛时对此深有体会。