Lights use a lot of energy.You know that one of the easiest ways to save energy…能否找到这篇文章
问题描述：
Lights use a lot of energy.You know that one of the easiest ways to save energy…能否找到这篇文章
答
很容易找哦~~Change that bulb! Lights use a lot of energy. You know that one of the easiest ways to save energy in your house is by turning off the lights when you leave a room. Did you know you can a...