ratio [ˈreɪʃiəʊ]以下由轻松背单词网站提供
单词级别第5级基本释义n.比,比率英英释义the relationship between two groups or amounts , which expresses how much bigger one is than the other参考例句The ratio of pupils to teachers was 30 to 1. 学生和老师的比率是30比1。The ratio between the two sides is one to four. 双方人数对比是一对四。 推荐阅读 |