英语词汇“knuckle down”的意思、释义、用法及双语翻译-时代网

词汇	knuckle down
释义	phrasal verb I'm going to have to knuckle down to some serious study. 我得开始认认真真地学习了。
随便看	alphabetical alphabetically alpha geek alpha male alphanumeric alpha version alpine already also also-ran altar altcoin alter alteration altercation alter ego alternate alternately alternation alternative alternatively although altitude alto altogether 探测探测仪探测器探海灯探照探照灯探狱探班探病探监探目探看探知探矿探秘探究探空探索探绎探胜探花探视探警探讨探讯

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