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
You know something, Ellen?
知道一件事吗， Ellen？
I'd like to reconfirm my flight from london to tokyo.
我要再确认一下我从伦敦到东京的班机。
and because there is so much of it the function would seem to e important.
睡眠占去那么多时间，所以其作用似乎还是很重要。