单词	man-hour
释义	man-hour noun ˈman-ˈau̇(-ə)r  : a unit of one hour's work by one person that is used especially as a basis for cost accounting and wages Word History First Known Use 1912, in the meaning defined above
随便看	Mercator projection mercatorial mercats Merced Mercedarian mercedarii mercedarioes mercedarios Brugge brugh brughs brugmansiae brugmansias brugnatellite bruh bruhs bruik bruin bruins bruise bruised bruiser bruisers bruises bruisewort

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