短语词组短語weightless beam 無重梁Weightless Mace 輕霛之鎚thermal weightless 熱失重Weightless world 無重化世界weightless test 失重實騐weightless economy 無重經濟;無重量經濟Weightless Economies 無重力經濟weightless simulation 失重模擬weightless deposit 無重量積存 返回 weightless