Mbr
abbr. 主引導記錄（Master Boot Record）
??? 情景例句
We hope you're successful in your new post.
我們希望你在新的崗位上成功。
A horse that will not carry a saddle must have no oats.
不愿加鞍的馬，不得吃燕麥。
It's not.it is a little oversized.
不是，它比標準的大了一點。