资料来源 : pyDict

平衡物,平衡力,称锤

资料来源 : WordNet®

counterweight
     n : an equivalent counterbalancing weight [syn: {counterbalance},
          {counterpoise}, {balance}, {equalizer}, {equaliser}]
     v : constitute a counterweight or counterbalance to [syn: {counterpoise},
          {counterpose}]