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| ADJ only before noun |
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| /nəʊn/ |
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| 1 | used for describing something that people know about or have discovered 已知的；已发现的 |
| a theory that fits the known facts 与已知事实相符的理论 |
| The documents were delivered to his last known address. 那些文件被送到他已知的最新住址。 |
| a disease with no known cure 目前尚无法治愈的疾病 |
| He was a violent man and a known drug user. 他性情粗暴，而且还被发现吸毒。 |
| Known pollutants had been tipped into the water. 一些已知污染物被排放到水中。 |
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| 2 | famous 闻名的；知名的 |
| nationally and internationally known TV personalities 国内外知名的电视人物 |
| +for They were known for their artistic achievements. 他们以艺术成就而闻名。 |
| be/become known as sth Diana Spencer, or Princess Di as she became known 黛安娜·斯宾塞，也就是人们熟知的黛妃 |
| PHRASE |
| - | known to be/to have done sth
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| used for talking about things that people know are true or happened |
| 众所周知是某事/已做某事 |
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| She is known to be interested in pop music. 她喜欢流行音乐是人所共知的。 |
| They are known to have spoken to the President about it. 众所周知他们已向总统提过此事。 |
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