noun 下载 🔗分享 单结,止结。 A particular very simple knot, used e.g. to prevent the end of a rope from unraveling, and as part of other knots. Examples : "She tied small overhand knots at the end of each shoelace to stop them from fraying. " 她在每根鞋带的末端都打了个小小的单结,以防止它们磨损。 nautical technical 与AI对话词汇游戏阅读练习