碳钾钙石

英语单词大师：Excuses

AA: Im Avi Arditti with Rosanne Skirble, and this week on Wordmaster: Just in time for those unattainable New Years resolutions, the art -- and danger -- of making excuses. SCHLENKER: What excuses do is try to diminish personal responsibility.RS: Bar

发表于:2018-12-03 / 阅读(59) / 评论(0)

英语单词大师-Word Master

WHO Warns Terrorists Could Threaten Food Supply

Broadcast: Jan 31 2003 The World Health Organization is warning countries to take steps to prevent terrorist attacks on food supplies. About 1.5 million people, most of them children, die each year fr

发表于:2019-01-03 / 阅读(50) / 评论(0)

VOA2003（上）-健康之旅

词汇大师(Wordmaster)--Excuses

Broadcast on Coast to Coast: December 12, 2002 AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: Just in time for those unattainable New Year's resolutions, the art -- and danger -- of making excuses. SCHLENKER: What excuses do i

发表于:2019-01-25 / 阅读(45) / 评论(0)

词汇大师(Wordmaster)

飞行达人免费游世界羡煞旁人

Last month, Ben Schlappig's Instagram page showed him jetting out of Beijing, dining on coffee and cake in Germany and marveling at the Los Angeles skyline from the top of Mulholland Drive. 上个月，本斯拉必格(Ben Schlappig)的Instagram主页上

发表于:2019-02-01 / 阅读(103) / 评论(0)

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Ancient carnivorous fish discovered

BEIJING, Sept. 14 (Xinhuanet) -- Scientists had discovered the fossils of a new species of ancient carnivorous fish, National Geographic reported Monday. The newly-found ancient fish, Laccognathus embryi, is a 1.8-meter-long predator, which was waiti

发表于:2019-02-18 / 阅读(87) / 评论(0)

英语新闻

Sweet Bait Lures Malaria Mosquitoes

Israeli(以色列) researchers say they have developed a powerful bait that effectively attracts and kills malaria-infected mosquitoes but is completely harmless to humans and other animals. The toxic sugar bait developed by scientists at Hebrew Univ

发表于:2019-02-25 / 阅读(88) / 评论(0)

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2-ethyl-4-acetylbutyric acid