单词：nitrogen fixing algae
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[00:07.39]Listen and circle the word you hear. [00:12.36]1.We're cleaning our room. [00:17.61]2.He's doing his homework. [00:22.75]3.She's washing her hair. [00:28.03]4.They're fixing their car. [00:33.38]5.You're fixing your TV. [00:38.71]6.I'm feed
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This is the VOA Special English Agriculture Report. Fertilizer use differs from country to country, and from too little to too much. Nitrogen and phosphorus can produce big crops. But they can also pollute water and air. A recent policy discussion i
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Fukushima Plant Operator: Nitrogen Pumping Operation Going Well A plan to inject nitrogen into the containment vessel around reactor 1 at the Fukushima Daiichi power plant appears to be working, the plant owner said Thursday. Higher pressure levels h
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A: Can you help me figure out some inexpensive ways to fix up the exterior of my home? B: Like the interior, the number one thing you can do is to repaint the outside of your home if it needs it. A: What do you think of the landscaping? B: Your lawn
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SEOUL, March 8 (Xinhua) -- Prosecutors in Euijeongbu, north of Seoul, confirmed star coach Kang Dong-hee's involvement in match fixing after 12 hours interrogation over fixing allegations on Friday. Prosecutors prepared to seek an arrest warrant for
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LOS ANGELES, March 6 (Xinhua) -- U.S. researchers have successfully used certain microbes to produce biofuels(生物燃料), opening a door to developing cheaper green energy. The discovery was made by researchers at the University of California, Los
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