Mdb
abbr. 元数据库（Meta Datase）
🗣️ 情景例句
Number 1 train to Van Cortlandt Park. Thank you.
一路车到Van Cortlandt公园。谢谢。
You have your point of view,and I have mine.
你有你的观点，我有我的。
So he took off the second shoe and put it under his bed very quietly.
他脱下第二只鞋子，轻轻地放在床下边。