silcrete
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英汉解释
例句
To test the theory, the scientists recreated what ancient tool makers might have done by heating a pile of silcrete stone in a fire pit.
为了检验这个理论,科学家们通过在一个火坑里加热砾岩石,重现了远古工匠们可能的做法。
The silcrete found at archaeological sites was glossy with a fine grain and a reddish color.
在南非的考古地点发现的硅结砾岩很光滑,带有细致的颗粒,呈红颜色。
None of the material used to make these advanced tools matched local silcrete outcrops.
制造这些高级工具的材料中并没有能与当地的硅结砾岩地表岩层相匹配的。
Using the heated stone, the researchers were able to produce realistic copies of silcrete tools.
用这种加热过的石头,研究人员得以造出砾岩工具的复制品。
The process transformed a stone called silcrete into an outstanding raw material for tool manufacture.
这一工序将一种叫做硅结砾岩的石头变成一种绝佳的制造工具的原材料。
Then a large flake of silcrete almost 10 centimetres in diameter was found embedded in ash in an ancient fire pit.
然而一个直径几近10厘米的硅结砾岩大石片被发现嵌在一个远古火坑的灰烬中。
So the researchers set up a fire pit and buried a silcrete sample at high temperature.
因此研究者们建立起一个火坑,然后把一个硅结砾岩样品埋进去。
About 72, 000 years ago, our ancestors along coastal South Africa made tools from silcrete, a cement-like layer of soil.
大约7万2千年以前,在南非的沿海地带,我们的祖先用硅结砾岩(类似水泥的土壤层)制造石头工具。