Sequoias are spectacular redwood trees, towering 300 feet high. But these trees have unusually shallow root systems. So why don't they crash to the ground in strong winds?
红杉是高耸三百呎的壮丽红木树,但这些树的根往往非常浅,那为何它们面对强风也不致折断倒地呢?
Sequoias are spectacular redwood trees, towering 300 feet high. But these trees have unusually shallow root systems. So why don't they crash to the ground in strong winds?
红杉是高耸三百呎的壮丽红木树,但这些树的根往往非常浅,那为何它们面对强风也不致折断倒地呢?
应用推荐