单词：detonant
单词：detonant 相关文章
SCIENCE IN THE NEWS - Growing Plants Inside the Box CHRISTOPHER CRUISE: This is SCIENCE IN THE NEWS, in VOA Special English. Today, we tell about an American farmer and an unusual device he developed. For twenty years, people around the world have be
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Farmer Invents New Way to Grow Crops From VOA Learning English, this is Science in the News. Today, we tell about an American farmer and an unusual device he developed. For 20 years, people around the world have been buying his invention. Blake Whise
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SCIENCE IN THE NEWS - Growing Plants and Thinking Inside the Box CHRISTOPHER CRUISE: This is SCIENCE IN THE NEWS in VOA Special English. Today, we tell about an American farmer and an unusual device he developed. For nearly twenty years, people aroun
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Farmer Invents New Way to Grow Crops 农民发明新的方式种植农作物 From VOA Learning English, this is Science in the News. Today, we tell about an American farmer and an unusual device he developed. For 20 years, people around the world hav
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For the past 2.5 years, two agriculture experts from the U.S. state of Texas have been working in remote areas of Afghanistan to help nomadic herders better manage their sheep, goats and cattle, and to better deal with ever-changing environmental co
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From VOA Learning English, this is Science in the News. Today, we tell about an American farmer and an unusual device he developed. For 20 years, people around the world have been buying his invention. Blake Whisenant and his family are farmers. They
英语语言学习
From VOA Learning English, this is Science in the News. Today, we tell about an American farmer and an unusual device he developed. For 20 years, people around the world have been buying his invention. Blake Whisenant and his family are farmers. They
英语语言学习