Psdb
abbr. physical segment description block 物理段描述块; production system database 生产系统数据库
🗣️ 情景例句
Always remember to wash your hands before eating.
用餐前谨记要洗手。
Let me direct that question to the manager.
让我直接问经理好了。
You never tell the truth!
你从来就不说实话！