To check for evidence of fire, they may look for charred bones and pieces of charcoal.
为寻找祖先们生火的证据，考古学家们就要找到烧焦的骨头还有木炭。
As importantly, biochar improves fertility in a wide variety of tropical soils. Beneficial micro-organisms seem to crowd into the pores of the small pieces of crushed charcoal.
同样重要的是，由于有益微生物似乎会聚集到小块木炭碎料的孔洞中，“生物碳”还可以改善各种热带土壤的肥力。
The researchers used radiocarbon dating on22 pieces of microscopic charcoal found among Neandertal tools in fire pits in Gorham Cave.
研究者们使用放射性碳方法为在山洞中发现的22片木炭确定年代。
Charcoal triptych: composed during drawing class, these three pieces exhibit similar construction of space and treatment of vegetation.
三联木炭画：在绘画课完成，这三个木炭画展示了相似的空间营造和植物配置。
Chuanr is a type of kebab - small pieces of meat on skewers roasted over charcoal or, sometimes, electric heat.
串儿应该算是烤肉的一种，只不过串在竹签儿上的肉小许多，但同样也是碳烤或是电热烧烤。
They say that the charcoal could be from gencral fires in the area and not from campfires, and the "tools"could be pieces of naturally formed rock.
他们认为那些木碳可能来自自然的火而不是篝火，那些“工具”也可能是自然形成的石头。
They say that the charcoal could be from gencral fires in the area and not from campfires, and the "tools"could be pieces of naturally formed rock.
他们认为那些木碳可能来自自然的火而不是篝火，那些“工具”也可能是自然形成的石头。
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