交作業

阿拉斯加或許看似遙遠純淨，但是地球上沒有一個地方可以免受空氣的汙染，環境的汙染，和影響我們所有人的全球變暖問題。

 

Perhaps Alaska looks remote and pure, but no place on the earth can avoid air pollution, environment pollution and global warming that impacts all of us.