Upf
abbr. unilateral pulmonary function 单侧肺功能; user port function 用户端口功能; universal picture format 通用图像格式; United Plastic Fabricating 塑料制品制作联盟
🗣️ 情景例句
I know who you are!
我知道你是谁！
Cry up wine and sell vinegar.
挂羊头，卖狗肉。
Tickets, please. May I see your ticket please, madam?
请出示车票。夫人，请问我可以看看你的车票吗？