英语词汇thirty-one是什么意思，thirty-one的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	thirty-one
释义	DEFINITIVE EXAMPLES 权威例句〔black〕There are about thirty-one million blacks in the US.美国大约有3,100万黑人。柯林斯高阶
随便看	controlled polymerization controlled post-mortem program controlled potential coulometric titration controlled potential electrolysis controlled power controlled prescribed burning controlled price controlled quantity controlled quenching controlled rate genlock controlled reactor controlled recitifer controlled rectifier controlled redundancy controlled release fertilizer controlled release pesticide controlled reports controlled resolution controlled rewriting controlled rolling controlled sender controlled shaft controlled sheave controlled silicon controlled silicon rectifier

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