Cmm
abbr. 海洋气象学委会（Commission for Maritime Meteorology）
🗣️ 情景例句
Hmmm. It is wrong.
嗯嗯。是不对劲。
It says a storm may come next month.
天气预报说下个月会有一场暴风雨。
We can't sign the contract yet.
我们还不能在契约上签字。