The human body is constantly bombarded with microbes, Dr. Zuk says, most of which the immune system fights off.

  • 祖克博士说,人体时常会受到细菌侵扰,但人体自身的免疫系统会将大部分细菌击退。

  • 互联网摘选 2025-01-20 13:32:44

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