老年人免疫系统都不灵了，老年的狗也容易有皮肤问题，但不传染，就是自己免疫系统不灵，没有抵抗力了。

来源: 6degrees 于 2026-04-10 14:09:15 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.