discardvt.丢弃；抛弃vi.丢牌n.丢牌；废牌Discarded Asparagus芦笋罐头加工下脚料discarded equipment废弃设备discarded equipments报废仪器discard the siftings把筛下来的杂质丢掉Discarded ammunition废旧炸弹discarded pit-pond废旧坑塘discarded automobile报废汽车discard the monarchy废弃君主政体discarded soil field弃土场discard an instrument丢弃仪器／工具