person-day

短语

词形变化

person-days 复数 person-days

释义与例句

n.
  1. 1.

    One person's working time for a day, or the equivalent, used as a measure of how much work or labor is required or consumed to perform some task.

    Holonyms: person-month, man-month < person-year, man-year

    Meronyms: person-hour, man-hour

    They estimated that it would take at least four people working a total of at least 80 person-days to build the foundation.

词源

Compound of person + day, although, as with any such unit of measure (e.g., ton-miles, newton metres), the mathematical relationship of multiplication is simultaneously involved: X persons working during Y days = X × Y = Z person-days.

来源：wiktionary