1. The sweater has raveled at the elbow. 这件毛衣的肘部绽线了。
2. Maintaining such a raveled page is strenuous. 维护这样混乱的页面十分费力。
3. We canceled the structure of hydraulic pressure and adopted the structure of hermetic urn, which raveled out the problems such as leaking oil, leaking water, bad condition and so on. 其中机械系统部分采用丝杆密封缸的结构取代了原有的液压结构,从而成功解决了工作环境差和漏油漏水的问题。