形容词
中文翻译：Unknown
同义词：
['unwitting', 'unaware', 'unconscious', 'unmindful', 'insensible', 'unperceived例句：1. The patient was found to be unconscious when they arrived at the hospital.（病人到达医院时被发现是昏迷的。）2. She was so absorbed in her work that she was unaware of the time passing by.（她全神贯注于工作，以至于没有注意到时间流逝。）']
例句：
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1. The patient was found to be unconscious when they arrived at the hospital.
病人到达医院时被发现是昏迷的。
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2. She was so absorbed in her work that she was unaware of the time passing by.
她全神贯注于工作，以至于没有注意到时间流逝。
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3.He was so lost in thought that he was unconscious of the fact that someone had entered the room.
他沉浸在思考中，以至于没有意识到有人进入了房间。