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	infusorial infusorial earth infusorian infusorians infusorias infusoriform infusoriform larva infusorigen infusorigene infusorioid infusorium infusory ing ing ant ing cell ing cereus ing disease ing factor ing flour ing fruit ing governor ing hormone ing index ing macaque ing machine

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