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 quantity noun a person or thing whose nature, value, or significance cannot be determined or is not yet known 未知数（指本质、价值、重要性等难定或未被认知的人或物）。
随便看	be an item beano beanpole bean sprouts beanstalk be any good be anyone's be a picture be a question of time bear bearability bearable bearably bear a hand bear a relation to bear a resemblance to bear arms bear away bear-baiting bearberry bearcat beard bearded bearded collie bearded dragon

英汉双解词典包含131075条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。