Mdb
abbr. 元数据库（Meta Datase）
🗣️ 情景例句
at the Museum of Natural History.
在自然历史博物馆。
When you called me, I was eating dinner.
当你打电话给了我时，我正在吃晚饭。
Ever since then, the great monument has been a symbol of liberty for the millions of people who have passed through New York Harbour to make their homes in America.
从那时起，这座伟大的纪念碑对通过纽约港进入美国定居的千百万人来说就一直是自由的象征。