Opercula
operculum的复数
🗣️ 情景例句
I don't know.
我不知道。
Can you keep an eye on the baby while I go shopping?
你能否在我上街买东西的时照看一下孩子？
You must have been driving at seventy miles an hour.
你刚才一定是以每小时70英里的速度开车。