base·line /ˈbesˌlaɪn/
  基線
  base·line /ˈbeˌslaɪn/ 名詞
  基線
  baseline
  基線
  baseline
  基線
  baseline
       n 1: an imaginary line or standard by which things are measured
            or compared; "the established a baseline for the budget"
       2: the back line bounding each end of a tennis or handball
          court; when serving the server must not step over this
          line [syn: service line]
       3: the lines a baseball player must follow while running the
          bases