单词：running knot
音标：[ˈrʌnɪŋ nɔt] ；
n. 活结
running knot的用法和样例：
例句
用作名词(n.)
- He tied a clinch knot with four turns and pulled it tight.他转了四圈，打了一个活结，然后把它拉紧。
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