req·ui·site /ˈrɛkwəzət/
 必需品,要素,必要物品(a.)必要的,需要的


 Req·ui·site n. That which is required, or is necessary; something indispensable.
    God, on his part, has declared the requisites on ours; what we must do to obtain blessings, is the great business of us all to know.   --Wake.


 Req·ui·site, a.  Required by the nature of things, or by circumstances; so needful that it can not be dispensed with; necessary; indispensable.
    All truth requisite for men to know.   --Milton.
 Syn: -- Necessary; needful; indispensable; essential.
 -- Req*ui*site*ly, adv. -- Req*ui*site*ness, n.

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 requisite
      adj : necessary for relief or supply; "provided them with all
            things needful" [syn: needed, needful, required]
      n : anything indispensable; "food and shelter are necessities of
          life"; "the essentials of the good life"; "allow farmers
          to buy their requirements under favorable conditions"; "a
          place where the requisites of water fuel and fodder can
          be obtained" [syn: necessity, essential, requirement,
           necessary] [ant: inessential]