Sdb
abbr. 存储数据缓冲器（Store Data Buffer）
🗣️ 情景例句
A very good question.
一个非常好的问题。
Nothing for nothing and very little for a half penny.
一分钱，一分货。
The one near the school. It sells books and things like that.
就是学校附近的那个。卖书之类的东西。