释义（英文）
名词 Noun
- Initialism of personal navigation assistant.
- (biochemistry) Initialism of peptide nucleic acid.
- (pathology) Initialism of pulmonary nodular amyloidosis.
专有名词 Proper noun
- Initialism of Palestinian National Authority.
- Initialism of Polish National Alliance.
- (Philippines) Initialism of Philippine News Agency.