英语短语词组词汇knuckle down (to sth)的音标、释义、翻译、用法及例句-英语短语词组词典-老街网

短语	knuckle down (to sth)
释义	ˌknuckle ˈdown (to sth)(informal)to begin to work hard at sth开始努力做get down toI'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	urochromes Urodela urogastrone urogenital urogenital diaphragm urogenous urogomphus urokinase urokinases urolith urolithiasis urolithic uroliths urologic urological UROLOGICALS urologies urologist urologists urology uromere uromeres uromeric uronema uronic acid

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