unrenewable

1.unrenewable fossil fuels.

无法再生利的矿燃料。

2.Biorefinery is a new industrial mode substituting renewable biomass for unrenewable fossil resource to produce bioenergy or chemicals and securing the sustainable development of social economics.

生炼制是以可再生生源为原料,生产能源与化工产品的新兴工业模式。