曲面体层X线机

In a major change to his cabinet, US President Trump has fired Secretary of State Rex Tillerson and nominated CIA Chief Mike Pompeo to replace Tillerson as his top diplomat. While the announcement of the decision may be sudden, it did not come as a c

发表于:2018-12-24 / 阅读(147) / 评论(0) 分类 2018CRI中国国际广播电台

Mini T. Rex Recovered In a study in the journal Science, researchers announce the discovery of a dinosaur 125 million years older and one-nintieth the size of T. Rex, but having virtually the same body plan as the giant dino. Cynthia Graber reports.

发表于:2019-01-02 / 阅读(196) / 评论(0) 分类 60秒科学

一个历史性的节点变成一场历史性的闹剧,腐国脱欧公投这事儿真是闹个不停从全球瞩目的公投结果脱欧卡梅伦撩膀子不干了英国人民悔了苏格兰嚷嚷着要独立入欧欧盟决定或把英语剔除欧盟

发表于:2019-01-03 / 阅读(139) / 评论(0) 分类 英文语法词汇

RACHEL MARTIN, HOST: The U.S. secretary of state, Rex Tillerson, begins a six-day sweep through East Asia today. It's his first trip to the region as America's top diplomat. And his first stop is Japan. And as NPR's Elise Hu reports, he heads into a

发表于:2019-01-16 / 阅读(132) / 评论(0) 分类 2017年NPR美国国家公共电台3月

ROBERT SIEGEL, HOST: The Flynn guilty plea, the Senate Republican tax bill, the talk of a shakeup at the State Department - those are the developments we're going to discuss now with our Friday political commentators, E.J. Dionne, columnist with The

发表于:2019-01-16 / 阅读(130) / 评论(0) 分类 2017年NPR美国国家公共电台12月

DAVID GREENE, HOST: Maybe you've seen the film Jurassic Park, and you remember that scene where the Tyrannosaurus rex escapes its pen and attacks guests at the theme park. You might remember those imposing teeth. Well, in real life, the T. rex had th

发表于:2019-01-17 / 阅读(142) / 评论(0) 分类 2017年NPR美国国家公共电台5月

You might not think there would be that many people in the world prepared to devote lifetimes to the study of something so inescapably low key, 你或许会认为,世界上不会有多少人愿意花毕生的心血来研究那个不起眼儿的东西

发表于:2019-02-21 / 阅读(158) / 评论(0) 分类 万物简史
学英语单词
aguilar
alkylative
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Anthocerotidae
attitude stabilization and control system
available partition
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creatinase
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Doundé Bagué
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griselinia littoraliss
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hydroplane
hydrostatic cold metal forming
illuminophore
Incisura ulnaris
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MA-144-A1
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