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ï¼ä¸ï¼human强è°â人群âï¼human being强è°â个人âï¼
åºæ¬ä¸ human = human beings ï¼ä½ä¸å¯ä»¥è¯´ human = human being
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çâäººä¼ äººâå«human to human transmissionï¼ä½ä¸å¯ä»¥è¯´ human being to human being transmission.
ï¼ä¸ï¼humanå¯ä»¥å形容è¯ï¼human beingä¸å¯ä»¥ã
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