英语词汇“knuckle down”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	knuckle down
释义	*knuckle down* To apply oneself earnestly to a task. Main Entry: knuckle
随便看	Sm Sm SM SMA smack smack smack smack smack-dab smackdown smacker smacking s-mail small small arm small ball small beer small blind small-bore small bowel small calorie small cap small capital small cell carcinoma small cell lung cancer

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