原级：ravel
第三人称单数：ravels
911chaxun查询·英语单词大全
现在分词：raveling; ravelling
过去分词：raveled; ravelled
过去式：raveled; ravelled
1. 纠缠：ravelin 半月堡 | raveling 纠缠 | ravelment 纠缠
noun
1. a bit of fiber that has become separated from woven fabric
Synonym: ravelling