Mdr
abbr. 日最低需要量（Minimum Daily Requirement）；存储数据寄存器（Memory Data Register）；多路数据记录器（Multichannel Data Recorder）
🗣️ 情景例句
Lacks courtesy is ill-mannered.
不礼貌，举止不当。
He has a car.
他有一辆车。
Only a few kilometres. I think it's about seven. OK. We're all here, now.
谩Ｎ颐嵌嫉狡肓恕?