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Oceans To Hold More Plastic Than Fish by 2050 2050年海洋中的塑料会比鱼还多 There will be more plastic than fish in terms of weight in the world's oceans by 2050, the World Economic Forum warned Tuesday. 1月19日,世界经济论坛发出警
This is the VOA Special English Agriculture Report. Rice hulls, or husks, are the protective coverings on grains of rice. Rice with just its hull removed is brown rice. Rice without its hull or bran is white rice. Once rice is harvested, the hulls ar
Turning Cigarette Butts to Batteries 烟头转变成电池 If you see a person carelessly throw a cigarette to the ground, what are you likely to think? That depends. If you hate people throwing things on the ground, you might think, That person shou
AGRICULTURE REPORT - Food for Crops: How to Get the Most From Organic Fertilizer By Mario Ritter Broadcast: Tuesday, August 23, 2005 I'm Shep O'Neal with the VOA Special English Agriculture Report. Th
There is a new substance that is harder than diamond. It's called Q-carbon, and it was created by researchers at North Carolina State University. 北卡罗莱纳州立大学的研究人员研发出一种名为Q-碳的新物质,其硬度比钻石还高
There is a new substance that is harder than diamond. It's called Q-carbon, and it was created by researchers at North Carolina State University. 北卡罗莱纳州立大学的研究人员研发出一种名为Q-碳的新物质,其硬度比钻石还高