碳氢化合物：一种有机化合物(例如乙炔或丁烷)，只包含碳和氢两种物质，通常出现在石油、天然气、煤炭和沥青中。

Hydrocarbon: an organic compound (as acetylene or butane) containing only carbon and hydrogen and often occurring in petroleum, natural gas, coal, and bitumens.

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乙炔亚铜是黄褐色的红棕色的粉末，不溶于水和大多数有机溶剂。

Cuprous acetylide takes the form of a russet or reddish-brown powder, insoluble in water and in the majority of organic solvents.

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电石作为煤炭清洁化的一个主要中间产品，广泛应用于合成苯、橡胶、聚氯乙烯、聚乙炔等有机化工产品。

Calcium carbide, widely applied in synthesis of organic chemical products, such as benzene, rubber, polyvinyl chloride, and polyacetylene, is a main intermediate product of clean coal utilization.

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