Mbr
abbr. 主引导记录（Master Boot Record）
🗣️ 情景例句
Three. Besides Chinese, my mother tongue, I can also speak English and French.
三种，除了我的母语中文外，我还会讲英语和法语。
I can't fasten this collar button.
我不能扣住这个领子钮扣。
Well, let's count them. One, two, three, four, …
嗯，咱们来数数。1，2，3，4……