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	egg-slicer egg spoon egg timer egg tooth eggwash eggwhisk egg white eggy egg yolk Egham egis egis eglandular eglandulose eglandulose eglantine eglomise EGM Egmont ego ego boost egocentric egocentrical egocentrical egocentrically

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