retraceableWiktionary 原文英美构词拆解retraceretrace词干able-able后缀-ableAble to be done; fit to be done. · Relevant to or suitable to, in accordance with.词源说明From retrace + -able.释义形容词adjective1Capable of being retraced.同族词派生词 2irretraceable·nonretraceable