Operculums
n. [昆] 盖；鳃盖
🗣️ 情景例句
Columbia's a terrific school.
Columbia，是一所很棒的学校。
You're wasting you breath.
你在白费口舌。
Hi, Lucy! Are you free tomorrow night?
你好，露茜！明天晚上你有空吗？