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。
Fifteen-hundred years ago, people from the central Amazon area in South America made a sort of charcoal by heating tree bark and animal bones without air.
1500年前，生活在南美洲亚马逊丛林深处的人们发明了一种通过在没有空气的条件下加热树皮和动物尸骨制造碳的方法。
Fifteen-hundred years ago, people from the central Amazon area in South America made a sort of charcoal by heating tree bark and animal bones without air.
1500年前，生活在南美洲亚马逊丛林深处的人们发明了一种通过在没有空气的条件下加热树皮和动物尸骨制造碳的方法。
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