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	aur aura aurae aural aural harmonic auraler auralest aurality auraller aurallest aurallier auralliest aurally auramin auramine Aurangabad Aurangzeb aurantia Aurantiaceae aurantiaceous aurar aurares Auraria aurars auras

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