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
What are you majoring in?
你主修什么专业？
Call information for the number.
打查号台查询电话号码。
From these he can go on to appreciate more complex forms or combinations of several forms.
从这些形体出发，观赏者可进一步观察更为复杂的形体或若干形体的组合。