Sdb
abbr. 存储数据缓冲器（Store Data Buffer）
🗣️ 情景例句
When I think something is right, I will stick to that.
若我认为某件事是对的，我会坚持到底。
He said he would rather not tell his age.
他说他不愿告诉年龄。
Then he spoke slowly, but I could not understand him.
于是他说得慢了，可我还是听不懂。