视频概述

1.   electricity是一个名词，意思是电力、电流，The farm was very isolated, but it had electricity. 那个农场非常偏远，但有电力供应。

2.   我们说发电是generate electricity，We need to find cleaner ways of generating electricity. 我们需要找到更清洁的发电方式。

3.   还有几个短语，供电provide electricity，节约用电 save electricity。