原级：retrace
第三人称单数：retraces
911查询·英语单词
现在分词：retracing
1. Doll retraced Chang's steps through Nanjing during the several weeks she spent in the city researching her book.
2. danci.911chaxun.com
2. A British historian who retraced the main route of the Long March two years ago is to hit the road across China again.