| 释义 |
un.knownHQn5nEJn, $-5noJnn未知的人(或事物、因素等)Racism is in some ways just a fear of the unknown (= what is not familiar or known to you). [U]在某种意义上，种族主义只是对未知事物的恐惧。An unknown is a person, esp. a performer or sports player, who is not famous.不出名的人For her latest film she deliberately chose a cast of unknowns. [C]在她最近的影片中她故意选了一批不出名的演员。(esp. Am and Aus) An unknown is also something that cannot be guessed at or calculated because so little is known about it未知数，无法计量的事物It's the big unknowns that make insurance companies uneasy. [C]使保险公司不安的是不可预测的重大的事情。
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