人体免疫力是非常重要的。身体免疫力低会导致抵抗力下降，就会发生一些疾病，要及时提高免疫力。

来源: attendance 于 2022-05-23 04:16:55 [旧帖] [给我悄悄话] 本文已被阅读：次

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