The sweater has raveled at the elbow.这件毛衣的肘部绽线了.The difficulty soon raveled out.那困难很快就解决了.The detective soon raveled out the truth.那名侦探很快就于真相大白....

v.使纠缠，变得错综复杂( ravel的过去式和过去分词 )，磨损...

raveled的音标：...