贝他不稳定同位素, 贝他(β)不稳[定]同位素

[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(178) / 评论(0) 分类 考研英语词汇2005

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(85) / 评论(0) 分类 2012年NPR美国国家公共电台3月

-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(73) / 评论(0) 分类 生活大爆炸第一季

[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(95) / 评论(0) 分类 听电影学英语-变形金刚

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(137) / 评论(0) 分类 CNN2011年(四)月

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(93) / 评论(0) 分类 Scientific American(七)月

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(83) / 评论(0) 分类 Scientific American(一)月

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(108) / 评论(0) 分类 2010年NPR美国国家公共电台3月

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(132) / 评论(0) 分类 美联社新闻一分钟2012(七月)

Scientists Closer to Solving Plain of Jars Mystery A new group of human remains has been uncovered on the Plain of Jars in Laos. They are believed to date back to the Iron Age, some 2,500 years ago. The Plain of Jars is in the central Lao province of

发表于:2019-01-12 / 阅读(63) / 评论(0) 分类 2016年VOA慢速英语(三)月

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(70) / 评论(0) 分类 TED演讲科学篇

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(67) / 评论(0) 分类 TED演讲科学篇

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(65) / 评论(0) 分类 TED演讲科学篇

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(39) / 评论(0) 分类 TED演讲科学篇

Up to this time, the oldest reliable dates went back no further than the First Dynasty in Egypt from about 3000B.C. No one could confidently say, for instance, when the last ice sheets had retreated or at what time in the past the Cro-Magnon people h

发表于:2019-02-17 / 阅读(41) / 评论(0) 分类 万物简史

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(111) / 评论(0) 分类 万物简史

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(61) / 评论(0) 分类 英语新闻

Let us pause for a moment and consider the structure of the atom as we know it now. Every atom is made from three kinds of elementary particles: protons, which have a positive electrical charge; electrons, which have a negative electrical charge; and

发表于:2019-02-25 / 阅读(90) / 评论(0) 分类 万物简史

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(156) / 评论(0) 分类 中英双语新闻

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(203) / 评论(0) 分类 生活大爆炸第四季
学英语单词
.hlp
aftersounds
alternating-current main
analytic hierarchy process
anti-recession program
arcuate diaphragmatic ligament
argyrose
asymmetric branch
auto de fe
beam-broadening
beanpole family
berengers
bicameralist, bicamerist
biologically accumulated elements
Biševo
blade carrier
Boeck's itch
brughas
brunost
catastrophe model
caws-
cebu magueys
charlestowns
chemically compounded fertilizers
chronic radiation hazard
Claidh, Loch
clamure
comprehensibleness
cost record
Cyanella
deer hunt
Diaporthaceae
dispume
drum-cam
effective rate of interest
encryption technique
entrance and exits
equilibrium compliance
external-bruning ram
flow out earth
font, outline
forage clipper
freeboard depth ratio
fundamental characteristics
gastrodermis
gloude
graminaceous plants
heldreichii
hernia cordis
Hira-jima
hitch one's horses together
horn poppy
Indocalamus chishuiensis
insurance adjusters
intaminate
intensating
issued capital
Jack Dee
Kalitva
lanicemine
maib
micropore film
milk claw
mobile information device profile
motion of translation
near viewing
nonprofessorial
not unlike
optimal course of action
oral plate
ozone fading
pandanaceae
papaverine
part names
percentage function
phase sequence reversal relay
phenocopy (goldschmidt 1935)
plug lap joint
poster-style format
preppie
process combusion
re-scheduled
Sawol
scoparone
screwtap
standard voltage oscillator
steam-saturation temperature
style of pronunciation
suction and force pump
syllable articulation
telecommunicator
thos
tribo
triscuits
twin (twinning crystal)
Utirik Atoll
viscosity-temperature dependency
weber r.
well-wove
with one's eyes shut
xenon reactivity
yaw-checking anchor