网络释义专业释义英英释义
... 天然沥青混合物 natural mixture of asphalt 一种天然沥青 dopplerite 黄色结晶的天然沥青 aragotite ...
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短语
fossil dopplerite 石化弹性沥青
Dopplerite
- abstract: Dopplerite is a naturally occurring organic substance found in amorphous, elastic or jelly-like masses, of brownish-black color, in peat beds in Styria and in Switzerland. It is tasteless, insoluble in alcohol and ether, and is described by James Dwight Dana as an acid substance, or mixture of different acids, related to humic acid.
以上来源于: WordNet
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