Fullerenes or buckytubes are forms of what?

富勒烯或巴基管是什么？

It is the basic structural element of other carbon forms, including graphite, charcoal, carbon nanotubes, and fullerenes.

它是其他碳形式的基本结构元素，包括石墨、木炭、碳纳米管和富勒烯。