相关单词近义词 cast-off 废弃的, waste 废物, superfluous 多余的, unwanted 不需要的, castoff 抛弃的, throwaway 用后即扔的, thrown-away 扔掉的临近词discard, discarding sign, discarded metal, discard tobacco, discard message, discarded syrup, discarded record, discarded packet, discard eligible, discard solution, Discarded Garden 返回 discarded