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	redialling redictate redid Rediffusion redigest redigestion redigress Red Indian redingote redintegrate redintegration redintegrative redip redirect redirection redisburse rediscount rediscountable rediscover rediscoverer rediscoveries rediscovery rediscuss redisplay redispose

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