| 单词 | ratios | 
| 释义 | rationoun  ra·tio  ˈrā-shē-ˌō  -(ˌ)shō    plural ratios   1  a    : the indicated quotient of two mathematical expressions    b    : the relationship in quantity, amount, or size between two or more things : proportion   2   : the expression of the relative values of gold and silver as determined by a country's currency laws   ratios nounas in ratesthe relationship in quantity, amount, or size between two or more things the ratio of students to teachers in the school is nine to one Synonyms & Similar Words Relevance 
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