圖片來源

http://technologygreenenergy.blogspot.tw/2013/03/saving-environment.html

 

 

相關英文:

25 Electricity-Saving Tips Calling all kids! We've

save energy~Tennessee Regulatory Authority (TRA) Just For Kids

Green Tips for Everybody

 

arrow
arrow
    全站熱搜

    twhinet 發表在 痞客邦 留言(0) 人氣()