Rdbms
关系数据库管理系统
🗣️ 情景例句
This has to be the most scenic spot in the country, if not the world.
这儿就算不能称之为世界上最优美的景点，也可以称得上是这个国家最美的地方了。
Jean's mother warned her that men would try to take advantage of her.
琼的母亲警告她，男人会占她的便宜。
He bothered me with a great many questions.
他对我提了一大堆问题，真烦！