Mdb
abbr. 元数据库（Meta Datase）
🗣️ 情景例句
You've been a great help.
你帮了大忙。
Shake like jelly.
我吓得腿软。
Macaroni has been grown in this area for over six hundred years.
通心粉在这个地区已经种植了600多年了。