很多人都把环保运动的开始，归功于人们第一次见到这样的地球，它那么小，那么脆弱。
Many people credit a lot of the birth of the environmental movement to our seeing the planet like this for the first time, its smallness, its fragility.
如果光靠良好的用心与正确的观念就能挽救逐步恶化中的大气层，那么地球上这一层脆弱的空气就没问题了。
If good intentions and good ideas were all it took to save the deteriorating atmosphere, the planet's fragile layer of air would be as good as fixed.
实际上，每一个阿波罗成员都带回一种深刻的印象：地球是那么脆弱。
Virtually every Apollo astronaut came back with a deep sense of the earth's fragility.
实际上，每一个阿波罗成员都带回一种深刻的印象：地球是那么脆弱。
Virtually every Apollo astronaut came back with a deep sense of the earth's fragility.
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