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	pitchiest pitchily pitch in pitchiness pitching tool pitching wedge pitch inspection pitch into pitch invasion Pitch Lake pitchman pitchmen pitchometer pitch on pitchout pitchperson pitch pine pitchpine pitch pipe pitchpipe pitchpole pitch shot pitchstone pitch upon pitchwoman

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