![2分钟英语演讲稿范文：Blue Planet]( "2分钟英语演讲稿范文：Blue Planet")
- 2分钟英语演讲稿范文：blueplanetweallhaveacommonhome.sheprovidesuswithenoughfood,enoughwaterandenoughlivingroom.wegeteverythingfromthenaturetolivebetter,butwedonnotdoanythingtoprotecther.howtheairispolluted;theearthispoisoned;waterisunsafetodrinkandrubb...
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