单词 retractive 释义 retractive, a. and n.|rtrktv|[a. OF. retractif (mod.F. rtractif), or ad. med.L. *retractivus: see retract v.1 and -ive. So It. ritrattivo.]A. adj.1. Serving to retract or pull back.c1400tr. Secreta Secret., Gov. Lordsh. 96 Of stryngt...