名词
中文翻译：未知之物
同义词：
['unknown', 'unidentified例句：1. The incognita was discovered during a scientific expedition.（在一次科学探险中发现了这个未知生物。）']
例句：
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1. The incognita was discovered during a scientific expedition.
在一次科学探险中发现了这个未知生物。
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2.The incognita's origins remain a mystery to this day.
这个未知生物的起源至今仍是一个谜。
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3. The incognita has been the subject of much speculation and research.
这个未知生物一直是众多猜测和研究的焦点。