pon·der·a·ble /ˈpɑnd(ə)rəbəl/
  (a.)可秤的,有重量的,有價值的值得考慮的物
  Pon·der·a·ble a.  Capable of being weighed; having appreciable weight. -- Pon*der*a*ble*ness, n.
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  ponderable
       adj 1: capable of being weighed or considered; "something
              ponderable from the outer world--something of which we
              can say that its weight is so and so"- James Jeans
              [ant: imponderable]
       2: possible to ponder; "space flight to other galaxies becomes
          more cogitable" [syn: cogitable]