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
What position do you hold?
你的职位是什么？
Would you please have these clothes washed for me?
可以请你为我把这些衣服洗了？
Because I've just retired.I want to buy a small house in the country.
因为我刚退休。我想在乡下买幢小房子。