英语词汇“unknown quantity”的读音、翻译、释义、用法及例句-智慧网

词汇	unknown quantity
释义	unknown quantityunknown quantity1.■难以预测的人〔事〕To her the outside world was a totally unknown quantity.对她来说, 外部世界完全是个未知数。
随便看	direct pass direct passage of current direct patenting direct path direct payment direct percussion direct personal selling direct pharyngoscopy direct photodetection direct photodetection receiver direct pickup direct pick-up direct pick-up camera direct pick-up receiver direct picture television direct piezoelectric effect direct piezoelectricity direct piping direct placement direct plotting direct plug-in subscriber direct plummet observation directplunger elevator direct pointing direct point repeater

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