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The rotation construction of two sections of a giant super-tonnage bridge on the Shantou-Kunshan highway in China's Guangdong Province has been completed on Friday morning. The two sections of the bridge also span across the Beijing-Guangzhou high-sp
2018CRI中国国际广播电台
On Rack 10 rows of next generation's chemical workers were being trained in the toleration of lead, caustic soda, tar, chlorine. 第十道架上一排排下一代的化学工人正在承受着铅毒、苛性苏打、沥青和氯气伤害的锻炼。
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Galactic Rotation 银河系自转 Astronomers calculate there is ten times more matter in our Milky Way galaxy than we can actually see. Discover how the orbital motions of stars in the galaxy reveal dark matter -- on today's Earth and Sky. JB: I'm Joel
(科普英语)Earth and Sky
Scientists around the world predict that climate change will have dramatic effects on agriculture in the coming decades. So, too, will pests and pesticides, the loss of species and the need to increase food production for a growing population. Resear
VOA标准英语2010年(十)月
Tiny Fly May Hold Key to New Generation of Hearing Aids Ormia ochracea, a tiny yellow parasitic fly native to Central America and the southern United States, has an unusual habit. It deposits larvae onto the backs of crickets, which burrow into the i
VOA标准英语2014年(七月)
MELISSA BLOCK, HOST: Time to take the temperature of music on public radio stations across the country this month. Well, it's hot. Here's what the music mavens have put into Heavy Rotation. JESSE MENENDEZ, BYLINE: My name is Jesse Menendez. I'm a hos
2017年NPR美国国家公共电台6月