ob·long /ˈɑˌblɔŋ/
  長方形,橢圓形(a.)長方形的,橢圓形的
  Ob·long a.  Having greater length than breadth, esp. when rectangular.
  Ob·long, n. A rectangular figure longer than it is broad; hence, any figure longer than it is broad.
     The best figure of a garden I esteem an oblong upon a descent.   --Sir W. Temple.
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  oblong
       adj 1: of a leaf shape; having a somewhat elongated form with
              approximately parallel sides
       2: deviating from a square or circle or sphere by being
          elongated in one direction
       n : a plane figure that deviates from a square or circle due to
           elongation