We must consider fossil fuels as the nonrenewable resources .

我们必须承认化石能源是一种不可再生资源。

Numerous public transportation systems are moving toward hydrogen-powered engines as an alternative to gasoline , but most hydrogen today is generated from nonrenewable fossil fuels such as natural gas .

许多公共交通系统正用燃氢发动机来取代汽油，不过现在大多数氢气是来自不可更新的矿物燃料当中，例如天然气。

Water is an essentially nonrenewable resource .

水是一种不能再生的资源。

China must protect the environment and conserve nonrenewable resources .

中国必须保护环境，保存不可再生资源。

First love is nonrenewable , it will be treacle or pain .

初恋也是不可再生性资源，用的好是甜蜜，用不好是痛苦。