| 释义 |
DEFINITIVE EXAMPLES 权威例句〔lug sole〕A thick rubber sole with deep indentations that improve the stability and traction of utility footwear such as work boots.沟纹鞋底：有深刻纹的厚橡胶鞋底，可改善实用鞋类（如工作鞋）的稳定性与附着性美国传统〔rill〕A long, narrow, straight valley on the moon's surface.（月面）谷，沟纹：月球表面上狭长而垂直的峡谷美国传统 |