添加同位素;示踪同位素

考研英语词汇 list16

[00:04.10]inhabit inhabitant [00:06.48]vt.居住于,(动物)栖息于 n.居民,住户 [00:08.86]inherent inherit [00:11.13]a.天生的,固有的,内在的 vt.继承 [00:13.40]initial initiate [00:15.97]a.开头的,最初的;词首的n.词首大写字母

发表于:2018-11-30 / 阅读(312) / 评论(0)

考研英语词汇2005

NPR 2012-03-27

The deeply divisive national health care law is before the nation's highest court on the first of three days of arguments. People on both sides of the debate appear to agree that the justices would rule on the heart of the case the constitutionality

发表于:2018-12-02 / 阅读(205) / 评论(0)

2012年NPR美国国家公共电台3月

生活大爆炸第一季第十六集_2：The Peanut Reaction

-Penny: So what'd you get the birthday boy? 你们给生日主角准备了什么？ -Howard：Well, Raj got him an awesome, limited edition Dark Knight sculpture awesome：棒极了 limited edition：限量版 Knight ：骑士 sculpture：雕塑 Raj给

发表于:2018-12-06 / 阅读(190) / 评论(0)

生活大爆炸第一季

听电影学英语-变形金刚 16

[00:04.52]Judy? Better call the city. We got a blown transformer! 老婆，打给市政府，变电箱烧了 [00:06.92]Power pole's sparking all over the place! 电线杆也到处在喷火花 [00:08.36]Oh, man. Yard's a waste. 院子没救了，全毁了

发表于:2018-12-14 / 阅读(232) / 评论(0)

听电影学英语-变形金刚

每日一词【94】spike：铁路枕木上的道钉

今天学的词组是spike。Spike是一种大钉子，比如铁路枕木上的道钉。Spike也有突然增加的意思。比如利率突然提高 - interest rate spikes; 腐败案件突然增多 - corruption cases spiked。那么说到腐败，美国

发表于:2018-12-30 / 阅读(165) / 评论(0)

英语每日一词

CNN 2011-04-05

It is Friday, April 1st -- no foolin' -- and you're watching CNN Student News! Hello, everyone. I'm Carl Azuz. First up today, we're heading to the North African nation of Libya. But a top ranking official from that country is heading out! Libya's fo

发表于:2019-01-08 / 阅读(268) / 评论(0)

CNN2011年(四)月

SSS 2011-07-05

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. If youve ever wondered where the Earth came from, the answer, it seems, is blowin in the windthe solar wind. Or so say scientists who, after examining sola

发表于:2019-01-08 / 阅读(230) / 评论(0)

Scientific American(七)月

SSS 2011-01-10

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? The Apollo moon missions ended almost 40 years ago. But for lunar scientists, they're gifts that keep on giving. Researchers studying rocks brought back by ast

发表于:2019-01-08 / 阅读(210) / 评论(0)

Scientific American(一)月

NPR 2010-03-11

President Obama welcomed Haitian President Rene Preval at the White House today. Preval is in the US thanking Americans for their help after Haitis devastating earthquake in January. Mr. Obama says the quake was one of the most devastating incidents

发表于:2019-01-08 / 阅读(267) / 评论(0)

2010年NPR美国国家公共电台3月

AP 2012-07-08

1. Almost eight years after Yasser Arafat's death, Palestinian officials are preparing for a possible autopsy on his remains. That after his widow said a Swiss lab found elevated levels of a lethal radioactive isotope on the longtime leader's belongi

发表于:2019-01-11 / 阅读(236) / 评论(0)

美联社新闻一分钟2012(七月)

TED演讲:树木之间如何交流(3)

Trees in real forests might also share information below ground. 在真正的森林中，树木可能还会在地下交流信息。 But this was really controversial, and some people thought I was crazy, 但这个想法其实挺有争议的，一些人

发表于:2019-01-18 / 阅读(204) / 评论(0)

TED演讲科学篇

TED演讲:树木之间如何交流(4)

The first day of the experiment, we got out to our plot 实验的第一天，我们来到了实验地点， and a grizzly bear and her cub chased us off. 突然一头灰熊和她的熊宝宝出现，把我们赶跑了。 And I had no bear spray. But

发表于:2019-01-18 / 阅读(178) / 评论(0)

TED演讲科学篇

TED演讲:树木之间如何交流(8)

You see, like all networks, mycorrhizal networks have nodes and links. 你们看，就像所有的网络一样，真菌的网络中也有节点和链接。 We made this map by examining the short sequences of DNA of every tree and every fungal indivi

发表于:2019-01-18 / 阅读(178) / 评论(0)

TED演讲科学篇

TED演讲:树木之间如何交流(9)

Mother trees colonize their kin with bigger mycorrhizal networks. 母树通过更大的菌根网络来覆盖住自己孩子们所在的区域。 They send them more carbon below ground. 在地下，它们给孩子们会送去更多的碳。 They even

发表于:2019-01-18 / 阅读(149) / 评论(0)

TED演讲科学篇

每日一词【205】spike：大幅度上升

今天我们要学的词是spike。 Spike做为名词，有大幅度上升的意思，demand spike，就是需求的猛增，sales spike，就是销售的上涨。最近，美国开车上班的人又开始叫苦连天。这是因为， We have seen a

发表于:2019-01-25 / 阅读(175) / 评论(0)

英语每日一词

学个词Learn a Word 第205期 spike

今天我们要学的词儿是anniversary。 Anniversary是周年纪念，周年纪念日的意思。生活中有些日子是绝对不能忘记的。比如说 wedding anniversary, 结婚纪念日，再比如anniversary of his death, 指某人的祭日。

发表于:2019-02-08 / 阅读(170) / 评论(0)

英语单词荟萃

万物简史第212期:把铅撵出去(1)

10 Getting The Lead Out 第十章把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(248) / 评论(0)

万物简史

Study shows Moon younger than previous estimates

WASHINGTON, Aug. 17 (Xinhua) -- Latest research shows that the Moon could be younger than previous estimates. The findings were published online Wednesday in the Nature journal. The prevailing theory of the Moon's origin is that it was created by a g

发表于:2019-02-19 / 阅读(173) / 评论(0)

英语新闻

中英双语新闻奥巴马即将对古巴进行历史性访问

Hello, I'm Nil Nunes with the BBC News. The British Prime Minister, David Cameron, is preparing for a day of frantic diplomacy in Brussels, as he tries to win support from the twenty-seven other European leaders to achieve the reforms he wants. The d

发表于:2019-03-04 / 阅读(280) / 评论(0)

中英双语新闻

生活大爆炸第四季第十集_1

生活大爆炸第四季第十集_1 剧情简介： The Big Bang Theory是一部以科学天才为背景的情景喜剧.四位科学天才分别是:可爱善解人意的Leonard,高智商零情商的Sheldon,会六国语言的 Howard Wolowitz,以及患有

发表于:2019-03-16 / 阅读(325) / 评论(0)

生活大爆炸第四季

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