toggle menu
Categories
Discussions
Sign In
·
Register
Sign In
·
Register
Categories
Discussions
Activity
Sign In
·
Register
×
Home
›
dale-walsh_609519a964f4a
›
Comments
dale-walsh_609519a964f4a
dale-walsh_609519a964f4a
About
Username
dale-walsh_609519a964f4a
Joined
May 2021
Visits
0
Last Active
May 2021
Roles
Member
Activity
Discussions
Comments
Comments
有，而且濃度比現今的氧氣濃度還高
in
:請問地球古代是沒有氧氣的嗎？7pk999.com?
Comment by
dale-walsh_609519a964f4a
May 2021
