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
Go for the first prize! i know you are good enough.
争取拿头奖，我知道你行。
How is her accent in French?
她的法语口音怎么样？
What's your favorite steps?
你最喜欢跳什么舞？