单词 irretraceable 释义 irretraceable, a.|rtresb()l|[ir-2.]That cannot be retraced.1847in Craig.a1859De Quincey Posth. Wks. (1891) I. 23 An error..travels off into..spaces incalculable and irretraceable.1876Holland Sev. Oaks xii. 168 He had taken a step...