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
The weather couldn't have been better.
天气再好不过了。
Walking to enjoy the sights is enjoyable.
一面浏览景色一面散步最为快乐。
Gradually the river grows wider, the banks recede,
然后河面渐渐地变宽，两岸后撤，