老年人免疫係統都不靈了，老年的狗也容易有皮膚問題，但不傳染，就是自己免疫係統不靈，沒有抵抗力了。

來源: 6degrees 於 2026-04-10 14:09:15 [舊帖] [給我悄悄話] 本文已被閱讀：次

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