unrenewable造句怎么写

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.

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

Books on that shelf are unrenewable.

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