短语词组短语discard pile 弃牌堆;弃牌场地;弃牌区;弃牌库to discard 弃置;要抛弃;若要放弃;丢弃discard electrode 焊条头discard path 取消路径Discard shoes 换下鞋子discard algorithm 废除算法Discard file 丢弃文件fast discard 快速退出activity discard 翻译into the discard 废弃不用；被遗弃 返回 discard