大家都搜：
1、ppnv的英文全称：Professional Photographers of the North Valley 中文意思：专业摄影师的北谷
2、ppnv的英文全称：Prolonged Postchemotherapy Nausea and Vomiting (cancer treatment) 中文意思：长期Postchemotherapy恶心、呕吐(癌症治疗)
