Sdb
abbr. 存储数据缓冲器（Store Data Buffer）
🗣️ 情景例句
It's getting late. Please excuse me, but I must leave right away.
时间不早了。对不起，我得赶紧走了。
Are you going to use cash or traveller's cheques?
您是用现钞换呢，还是用旅行支票换？
I mean you eat too much food, but you don't take enough exercise, said the doctor.
“我的意思是你吃得太多，但运动不够，”医生说。