Pbys
(pby 的复数) abbr. Consolidated-Vultee PBY flying boat 统一伏尔提（飞行器公司）PBY飞船（代号）
🗣️ 情景例句
Is there any discount on bulk purchases?
我多买些能打折吗？
Who wrote that music?
那首音乐是谁写的？
The conference was very well organized. Everything began and finished on time.
会议安排的很好。开始和结束都准时。