這個表格的數據差別應該是基於在美國發現得更早期些吧？

來源: 白兔媽於 2018-01-21 12:51:03 [博客] [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.

Change Ad Consent