Operculum
n. 叶盖, 鳃盖骨\\n[医] 盖, 岛盖, 盖(昆虫), 厣(软体动物), 鳃盖(鱼)
🗣️ 情景例句
I can't believe it!
我简直不敢相信！
How long have you stayed there?
你在那儿住多久了？
I got up early and bought thirty-seven cards.
我早早起了床，买来了37张明信片。