Ppsa
abbr. Pan-Pacific Surgical Association 泛太平洋外科医生协会; prepaid service agent 预付费业务代理
🗣️ 情景例句
You're just wasting your breath.
你在白费口舌。
I know the boy whose father is a dentist.
我知道那个男孩的父亲是牙医。
What did you write on it?
你在贺卡上写了什么？