Pecm
abbr. passive electronic countermeasures 被动电子对抗，无源[消极]电子干扰; Preliminary Engineering Change Memorandum 初步工程更改备忘录（美国空军）; processing element control memory 处理单元控制存储器
🗣️ 情景例句
I'd like to treat you to dinner and a movie.
我想请你吃饭和看一场电影。
Much better.
好多了。
I'm afraid I haven't got a larger dress.
恐怕没有更大的了。