Mdr
abbr. 日最低需要量（Minimum Daily Requirement）；存儲數據寄存器（Memory Data Register）；多路數據記錄器（Multichannel Data Recorder）
??? 情景例句
I want to thank you for giving me an opportunity to speak to you.
我要感謝大家給我一個機會來向各位講話。
When you're learning to drive, having a good teacher makes all the difference.
初學駕駛有好的教師指導，差別很大。
That's fantastic!
那真是棒極了！