Mdb
abbr. 元数据库（Meta Datase）
🗣️ 情景例句
We're particularly interested in your line of rackets.
我们对贵公司的球拍系列特别感兴趣。
As you travel westward,does the land get higher?
当你向西旅行，陆地变得更高？
Where's the tea?
茶叶在哪儿？