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1·Books on that shelf are unrenewable.

那个架子上的书是不可续订的。

2·As an unrenewable resource, farming land has to be made highly efficient use of.

农地是不可再生资源，必须进行有效的利用。

3·Coal, petroleum and natural gas are unrenewable resources, so it is important to improve energy utilization and save mineral resources.

煤炭、石油、天然气都是不可再生资源，如何提高能源利用率、节约矿产资源显得更加重要。

4·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.

生物炼制是以可再生生物质资源为原料，生产能源与化工产品的新兴工业模式。