资讯
Ask the publishers to restore access to 500,000+ books. The Internet Archive keeps the record straight by preserving government websites, news publications, historical documents, and more. If you find ...
The Science of Drunken Trees Torre Jorgenson, a scientist in Fairbanks, Alaska, who studies permafrost, says melting of ice crystals below the ground can cause slumps as large as 10 meters (33 feet).
一些您可能无法访问的结果已被隐去。
显示无法访问的结果