Preoperculum
[医] 前盖
🗣️ 情景例句
I can't figure him out-he's a mystery!
我不能理解他，他真是个迷。
I never used to oversleep.
我过去从未睡过头。
Sam was sure that the wallet must have been found by one of the villagers, but it was not returned to him.
萨姆确信那钱包一定是被某个村民捡到了，可是却不见有人来送还给他。