1、battery 电池
They are electrifying the battery.
他们正给电池充电。
2、coal 煤炭
The country is rich in oil and coal.
这个国家石油和煤的资源丰富。
3、combustion 燃烧
The smoke formed by their combustion is negligible.
由它燃烧所生成的烟是可忽略的。
4、conservation 保护
Conservation methods will also help meet their energy needs.
能量保存方法也会有利于满足其能源需求。
5、fuel 燃料
We aim for a 10% saving in fuel.
我们的目标是节省10%的燃料。
周小蜜99
