Operculums
n. [昆] 蓋；鰓蓋
??? 情景例句
This is Wang with China Bank.
我是中國銀行的王先生。
Hi, Lucy. I'll take French and Economics.
你好，露西，我想選法語和經(jīng)濟。
We were out of the part you needed.
你要的那種零件我們沒有貨了，