刻度校正振荡器

机械类词汇大全-21

841 、埋头铆钉 countersinkheadrivet 842 、埋头锥孔 countersink 843 、埋头螺栓 countersinkheadbolt 844 、埋头螺丝 countersinkheadscrew 845 、埋头钻 countersinkdrill 846 、

发表于:2018-11-29 / 阅读(337) / 评论(0)

英文名句短语

英语听力文摘 English Digest 592、石英计时！

Keeping Time With Quartz Most people know that wrist watches commonly contain quartz. In fact, if you wear a watch, chances are its a quartz watch, since most watches is made today use quartz. But, you may not know what quartz has to do with keeping

发表于:2018-12-31 / 阅读(211) / 评论(0)

英语听力文摘 English Digest

VOA标准英语2012--Campaign Aims to Help End Childhood HIV Infections

Campaign Aims to Help End Childhood HIV Infections A new campaigns been launched to help eliminate new HIV infections among children by 2015. Its called Believe it, Do it. Its estimated nearly 400,000 children become infected with the AIDS virus ever

发表于:2019-01-13 / 阅读(197) / 评论(0)

VOA标准英语2012年(五月)

美国国家公共电台 NPR 'Why Time Flies' Investigates How Humans Experience Time

ROBERT SIEGEL, HOST: Time, according to a couple of studies, is the most commonly used noun in the English language. I learned that from reading Alan Burdick's new book, Why Time Flies, a study of time that he calls a mostly scientific investigation.

发表于:2019-01-16 / 阅读(221) / 评论(0)

2017年NPR美国国家公共电台1月

VOA双语新闻：美国就应对伊朗冲突展开政治辩论

A political debate is unfolding in Washington over the proper U.S. response to the situation in Iran where election protests have at times resulted in bloodshed. Some members of Congress are urging President Barack Obama to take a tougher approach, w

发表于:2019-02-14 / 阅读(179) / 评论(0)

VOA双语新闻 2009年6月

TED演讲:用玩具创造世界(7)

Now as we pull away from this world -- we're going to keep pulling away from the star now. 现在，我们将视线从这个世界里移出来--我们从这个星球移出来了 One of the things that always frustrated me a little bit about astronomy

发表于:2019-02-21 / 阅读(219) / 评论(0)

TED演讲教育篇

TED演讲:游戏奖励大脑的7种方式(2)

On the one hand, there's the wanting processes. 在一方面，有一个期望过程 This is a bit like ambition and drive, 有点像野心和驱动力-- I'm going to do that. I'm going to work hard. 我要去做那件事，我要努力 On the other

发表于:2019-02-21 / 阅读(179) / 评论(0)

TED演讲教育篇

【跟着美剧练发音】美剧美语713期

Stark: yeah. I can fly. Jarvis are you there? Jarvis: At your service, sir. Stark: Engage[ɪn'gedʒ] Heads up Display. Jarvis: Check. Stark: Import all Preferences[ˈprɛfərəns】属性分析 from home interface[ˈɪntɚˌfes]接口，交界面. J

发表于:2019-03-06 / 阅读(230) / 评论(0)

跟着美剧练发音

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学英语单词

anaglyta

anomaly of the ionosphere

cerepidote (allanite)