Mdb
abbr. 元数据库（Meta Datase）
🗣️ 情景例句
So did I.
我也一样。
A staff is quickly found to beat a dog with.
欲加之罪，何患无辞。
and the railway of the future may well be the 'hovertrain',
未来的火车或许能成为气垫火车，