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
John Philip Sousa. John Philip Sousa
的曲子。
He is rich enough who has true friends.
有真朋友的人是富翁。
He used to learn everything by rote.
他过去总是死记硬背。