英语词汇unknown quantity怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	unknown quantity
释义	unknown quantityn. a person or thing whose nature, significance, etc., cannot be determined (指不能确定其本性、本质、重要性等的)难预测的人(或事物)
随便看	Hell's Angel hell to pay hellward helm helm helmed helmet helmeted helminth helminthiasis helminthic helminthoid helminthology helmsman helot helotism helotry help help a person out helper helpful helpfully helpfulness helping helping hand

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