英语词汇“pack-year”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pack-year
释义	Word Frequency pack-year noun a measure of the amount of cigarettes a person has smoked over an extended period, equal to one packet of 20 every day for one year
随便看	Ebola Ebola virus disease ebon ebonics ebonies ebonise ebonist ebonite ebonize ebony Ebonyi e-book e-booking Ebor. Ebora Eboracum eboulement ebracteate ebracteolate EBRD ebriate ebriety ebrillade ebriose ebriosity

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