红联英语单词
pack-year
pack-year什么意思,pack-year翻译
基本解释
网络: 吸烟的包装年;吸烟指数
例句
He states that he has had the cough "for quite some time" and attributes it to his 40-pack-year history of smoking cigarettes.
系统回顾时患者提及偶发干咳。患者咳嗽很有一段时间了,并将其归咎于既往40年的吸烟史。