虽然它们是用不可再生的化石燃料制作而成的塑料袋，但是比普通的塑料购物袋经久耐用多了，反复使用很多次它都不容易坏。

Although they are manufactured using non-renewable fossil fuels, they last much longer than plastic shopping bags and can be reused many times over.

youdao

眼下运用的可再生技术无法充足地提供安全廉价的能量，不可能取代化石燃料。

The renewable technologies that are currently being deployed are highly unlikely to provide enough reliable and cheap energy to replace fossil fuels.

youdao

主流能源的化石燃料是不可再生的，稀缺性会日益增强。

The mainstream of energy sources are non-renewable fossil fuels and the growing scarcity will.

youdao