在青霉素发现之前 , 人可以活到的平均年龄就是40几岁。青霉素发现才多久?所以古人40岁自称“不惑”,反正没几天可活了
本帖于 2022-09-04 17:41:57 时间, 由普通用户 糯米粥 编辑
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