Sdb
abbr. 存储数据缓冲器（Store Data Buffer）
🗣️ 情景例句
Certainly.
当然可以。
You must go to the moon. It's your duty.
你必须上月球去，这是你的职责。
When a plane from London arrived at Sydney airport, workers began to unload a number of wooden boxes which contained clothing.
当一架来自伦敦的飞机抵达悉尼机场时，工人们开始卸下装有服装的一批木箱。