Rdb
[计] 关系数据库
🗣️ 情景例句
When I first graduated from college.
那时我刚从大学毕业。
Method will teach you to win time.
方法可教会你赢得时间。
Indeed, we lack practice and experience nowadays in dealing with primitive conditions.
确实，我们今天缺乏对付原始环境的实践和经验。