单词：Ipomoea indica
野牵牛
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Another dismal day on the overseas markets as the global economic downturn continues. In Asia, tumbling Chinese exports are now affecting jobs there. In Europe, British retail sales are nose-diving. Wave upon wave of negative economic reports keep p
发表于:2019-01-09 / 阅读(142) / 评论(0)
VOA标准英语2009年(一月)
VOA标准英语2009年(一月)
WASHINGTON, May 2 (Xinhua) -- Rice originated(起源) in China, a team of U.S. genome researchers has concluded in a study tracing back thousands of years of evolutionary（进化的） history through large-scale gene re-sequencing. Their findings,
发表于:2019-01-26 / 阅读(147) / 评论(0)
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