海外博客
火的發現，種植的發明，動物的馴服，似乎都比四大發明對人類有更大影響。培根有點孤陋寡聞了。
登錄後才可評論.
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy
