Rdbms
关系数据库管理系统
🗣️ 情景例句
Uh, we're home now, Ellen.
噢 ，我们现在到家了， Ellen。
She spends much of her leisure times watching TV.
她花很多空闲时间看电视。
She felt worried. She wanted to get ready for her party.
她有点儿着急。她要为自己的聚会作好准备。