acre·age /ˈek(ə)rɪʤ/
  英畝數,面積
  A·cre·age n. Acres collectively; as, the acreage of a farm or a country.
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  acreage
       n : an area of ground used for some particular purpose (such as
           building or farming); "he wanted some acreage to build
           on" [syn: land area]