intersection
  相交
  intersection
  相交 交集
  intersection
       n 1: a point where lines intersect [syn: intersection point, point
            of intersection]
       2: a junction where one street or road crosses another [syn: crossroad,
           crossway, crossing, carrefour]
       3: a point or set of points common to two or more geometric
          configurations
       4: the set of elements common to two or more sets; "the set of
          red hats is the intersection of the set of hats and the
          set of red things" [syn: product, cartesian product]
       5: a representation of common ground between theories or
          phenomena; "there was no overlap between their proposals"
          [syn: overlap, convergence]
       6: the act of intersecting (as joining by causing your path to
          intersect your target's path)