Mdbs
(mdb 的复数) abbr. 元数据库（Meta Datase）
🗣️ 情景例句
Where's the ticket counter?
售票处在哪儿？
A crow is never the whiter for washing herself often.
乌鸦不管怎样经常洗澡，也不会变白。
He found it very difficult to get to sleep and he was rather angry with the man upstairs.
他觉得这样很难入睡， 他对楼上的人相当生气。