Cfm
abbr. 阴极跟随器混频器（Cathode-Follower Mixer）
🗣️ 情景例句
I'm so sorry.
很抱歉。
I'm hoping to spend a few days in the mountains.
我正在希望到在山上过一些天。
He then changed into overalls and spent the next eight hours as a dustman.
然后换上工作服，当8个小时清洁工。