Scientists have restored some brain functions in pigs four hours after the animals were decapitated, a breakthrough that could advance neuroscience but which raises ethical questions about the line between life and death.
科學家在豬被殺4小時後恢復了豬腦的一部分功能，這一突破有望推進神經科學，但引發了關於生與死之間界線的倫理問題。
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