Mdbs
(mdb 的復數) abbr. 元數據庫（Meta Datase）
??? 情景例句
What's your name?
你叫什么名字？
I'm not accustomed to that kind of social situation.
我不太習慣那種社交場合。
Once, however, it failed to give the correct time.
然而有一次，它卻把時間報錯。