Sdb
abbr. 存储数据缓冲器（Store Data Buffer）
🗣️ 情景例句
I don't feel alone anymore.
我再也不觉得孤独了。
What channel are you watching now?
现在你在看哪个新闻？
She runs everyday in order to lose weight.
她每天都跑步是为了减肥。