单词：pyranylidene
单词：pyranylidene 相关文章
On Friday mornings ,we bring you StoryCorps when people across the country share stories about their lives. And today two parents remember their daughter. Liddie Horsey was born with a rare genetic disorder. It's called Cornelia de Lange Syndrome. I
2007年NPR美国国家公共电台
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Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti
国家地理2008年
North Korean leader Kim Jong Il is still nowhere to be seen, more than a week after South Korean intelligence officials revealed the belief he is recovering from a stroke. As VOA's Kurt Achin reports from Seoul, South Korean officials are trying to
VOA标准英语2008年（九月）
Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti
自然百科2008年
BEIJING, Aug. 8 (Xinhua) -- China on Wednesday started to review anti-dumping measures it imposed on chloroprene rubber imported from a Japanese company, the Ministry of Commerce said. The move came after the ministry received complaints that Japan E
英语新闻