Sdb
abbr. 存储数据缓冲器（Store Data Buffer）
🗣️ 情景例句
He said they need a new book of photographs,
他说他公司需要一本新的摄影集，
There are many training classed and night classes.
有许多培训班与夜校。
Yes, thank you. I've had a wonderful time.
是的，谢谢你。我过得愉快极了。