discardvt.丢弃；抛弃vi.丢牌n.丢牌；废牌Discarding technique standard报废技术标准Discarding than each other.扬长避短胜于取长补短。Discarded land in mining area矿区废弃地discarding unimportance block丢弃不重要块discarded tobacco leaf protein低次烟叶蛋白Discard Changes and Exit Setup放弃更改并退出系统设置程序Discards a pending new item.丢弃挂起的新项。discarded polyethylene plastics废聚乙烯塑料discarded printed wiring boards废弃线路板Discards changes since the last放弃上一次