原级：ravel
第三人称单数：ravels
raveling
现在分词：raveling; ravelling
过去分词：raveled; ravelled
过去式：raveled; ravelled
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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