noun🔗Share拼音 A phonetic script or romanization system for a language spoken in the People's Republic of China."My Chinese textbook uses py to help me pronounce the characters correctly. "我的中文课本用拼音来帮助我正确地发音汉字。languagephoneticswritingcommunicationsystemlinguisticsChat with AIVocabulary GamePractice Reading
noun🔗Share年包数 (smoking) A unit for measuring the number of cigarettes a person has smoked previously; it is calculated by multiplying the average number of packs of cigarettes the person smokes per day by the number of years the person has smoked."My doctor asked about my smoking history, specifically my py, to assess my risk for lung disease. "医生询问了我的吸烟史，特别是我的年包数，以评估我患肺部疾病的风险。medicineamountstatisticsChat with AIVocabulary GamePractice Reading
