Mdb
abbr. 元数据库（Meta Datase）
🗣️ 情景例句
Oh, it's so pretty!
噢，它好漂亮！
Wonders are many, and nothing is more wonderful than man.
奇迹很多，但没有一件东西比人更为奇妙。
He built a glass wall through which he could watch what went on inside.
他建造一堵玻璃墙，透过玻璃墙他能够观察里面发生的事情。