A site containing a deposit, estimated to be nearly 500,000 years old, consisting of charcoal, burned animal bones, and charred rocks, has recently been found.
最近发现了一个据估计有近500,000年历史的沉积物，该沉积物由木炭、燃烧的动物骨头和烧焦的岩石组成。
They also use the starch-rich fruit to produce a kind of flour, and the rest of the coconut is used for animal feed and charcoal.
他们也用这种富含淀粉的果实来生产一种粉，椰子剩下的部分则用作动物的饲料和制成木炭。
Biochar is a form of charcoal made by liberating the energy from plant matter or animal waste using pyrolysis.
生物炭是木炭的一种形式，它在高温分解植物或者动物粪便释放能量的同时制得。
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