incognita
[i:nkɒɡ'nɪtə]
adj.& n.
隐姓埋名的（女人），改用假名的（女人），化装出行的（女人）;
例句:
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The historical landscape...looks at first like a terra incognita.
来自A. Briggs
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She went to Paris incognita.
她化装到巴黎去了.
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I must avoid my pre - existing knowledge and constructs and enter my personal terra incognita.
我不得不绕开原有的知识与观念,进入自我的未知领域.
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He had recognized by certain unmistakable signs , that his fair incognita belonged to the aristocracy.
他已从某些蛛丝马迹上看出那个无名美人是贵族社会中的人.
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The largest region of geological terra incognita left on the global map.
来自New Scientist
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They headed straight for terra incognita.
来自NEWYORKER