单词：energy-dense
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The U.S. space agency NASA says this year has been the warmest for the earth in 131 years. And a new study of hot weather in the U.S. released by the National Wildlife Federation predicts that extreme heat will be the norm by 2050. The private enviro
VOA标准英语2010年(八)月
This is the VOA Special English Agriculture Report. The search for new fuels has led some researchers to algae. Algae is a name for thousands of different organisms. They include single-celled plants as well as kelp and other large plants. Blue-gree
VOA慢速英语2008年（十二）月
This is the VOA Special English Agriculture Report. The search for new fuels has led some researchers to algae. Algae is a name for thousands of different organisms. They include single-celled plants as well as kelp and other large plants. Blue-gree
VOA慢速英语2008年（十二）月
The lifestyle that we see in pandas is quite enviable to many of us as all they do is eat and laze around in places. So basically all they do is eat and relax all day long. 我们当中的许多人对于熊猫的生活方式非常羡慕，它们基本上
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Magic Energy Tips: 6 Ways to Feel Instantly Restored Feeling a little burnt out? Run down? Overwhelmed? It's time to put yourself first! Any one of these six things works like magic to bring you back home to yourself. Dance There was an unhappy marri
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