单词	person-hour
释义	person-hour noun per·​son-hour ˈpər-sᵊn-ˌau̇(-ə)r  : a unit of one hour's work by one person Word History First Known Use 1975, in the meaning defined above
随便看	Cook's tour Cook, Mount cook-general cook-off cookable cookbook cookbooks Cooke cooked cooked (up) cooked breakfast cooked off cooked through cooked up cookee cookeite cooker cookeries cookers cookery cookery book Cookeville cookeys cookfires cookhouse

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