Opercula
operculum的复数
🗣️ 情景例句
She flunked her English examination.
她的英语考试失败了。
Not only did he make a promise, but he also kept it.
他不仅许下诺言，而且遵守了。
'Not at all,' I lied, 'but I'm going to the dentist.'
“没关系，但我准备去牙医那里。”我说了个谎。