discardvt.丢弃；抛弃vi.丢牌n.丢牌；废牌Discarding coarse tailings粗粒抛尾discarding sabot cartridge脱壳炮弹Discarded odds and ends.废弃的零碎物件Discard and Waste Plastics废旧塑料discarded electronic device废弃的电子设备Discard your silly ideas.去你的那套馊主意吧。discard the dregs of society摈弃社会渣滓Discarded body in a bathroom浴室丢尸Discard New Operand Material丢弃新材质discarded building materials废旧建筑材料