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A few weeks unexplained fever and night sweats.
数周以来不明原因发热和盗汗。
youdao
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He also has unexplained bleeding and complains about a metal chip in his neck.
他也有不明原因的出血和抱怨他的脖子上的金属芯片。
youdao
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Still unexplained is a singular mystery.
至今仍是无法解释的一个奇谜。
youdao
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Still unexplained is a singular mystery.
至今仍是无法解释的一个奇谜。
youdao