英语词汇“rucksack”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	rucksack
释义	ruck·sack \ˈrək sak, ˈru̇k-\ noun Etymology: German, from ruck- (probably alteration of rücken back, spine, from Old High German hrukki) + sack sack, from Old High German sac — more at ridge, sack : knapsack
随便看	presupervisory presupposal presuppose presupposition presuppositionless presuppression presurgical presylvian presymptomatic presynaptic presynaptically presystole presystolic pret pret pret preta pretan pret-a-porter pret-a-porter pretarsus pretaste pretax pretaxation pretechnical

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