形容词
中文翻译：未解开的
同义词：
['unsolved', 'unresolved', 'unrevealed']
例句：
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1. The mystery of the disappearance remains unravelled.
失踪事件的谜团仍未解开。
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2. The investigation into the crime was unravelled by the evidence.
通过证据，对这起犯罪的调查被解开了。
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3. The story of the lost treasure was unravelled by archaeologists.
考古学家解开了失落宝藏的故事。