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-现代词典

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	teg tegmen tegmental tegmentum tegmina tegminal tegu tegua Tegucigalpa tegula tegular tegularly tegulated tegument tegumental tegumentary te-hee te-hee Teheran Tehran tehsil tehsildar Tehuantepec teichopsia Teide

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