[化] 磷化氢; 膦

The composition of the sun lies in this bar code. 这个条码说明了太阳的组成 All the thin lines are caused by tiny amounts of complex elements 这些细细的线条,都是微量复杂元素造成的 metals like iron and magnesium. 好比说

发表于:2018-12-07 / 阅读(111) / 评论(0) 分类 太阳科普

Broadcast: February 14, 2003 By George Grow This is the VOA Special English Environment Report. President Bush has offered a plan to speed development of technology that uses hydrogen as fuel. His goa

发表于:2018-12-07 / 阅读(103) / 评论(0) 分类 VOA2003(上)-科技导航

I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indians and Pakistanis

发表于:2018-12-12 / 阅读(80) / 评论(0) 分类 英语演讲

Identity Thieves’ New Ploy: Pharming 2 How do people pharm? Pharming scams take a few different forms: Attackers could use malicious code, such as a virus, planted on a user’s PC to track keystrok

发表于:2018-12-19 / 阅读(166) / 评论(0) 分类 彭蒙惠英语

This is Scientific American's 60-Second Science, I'm Karen Hopkin, this will just take a minute. Shakespeare once said: A rose by any other name would smell as sweet. And that is true today as it was 400 years ago. What's different now, though, is th

发表于:2018-12-24 / 阅读(105) / 评论(0) 分类 Scientific American(四)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-30 / 阅读(73) / 评论(0) 分类 单词解析速记

This title is the kind that gets attention, isn't it? I first heard about these two characters a few days ago. My three boys play an on-line game called Minecraft. It's actually quite fabulous. It is an unending arena, where you can discover and crea

发表于:2019-01-01 / 阅读(80) / 评论(0) 分类 英语博客 A cup of English

So how would you run a whole country without oil? 怎么让一个国家在没有用石油的情况下运转? That's the question that sort of hit me in the middle of a Davos afternoon about four years ago. 四年以前在Davos的一个下午,这个

发表于:2019-01-03 / 阅读(62) / 评论(0) 分类 TED演讲科技篇

The Macondo well operated by BP in the Gulf of Mexico has now been capped with a star adornment that commemorates the 11 people killed when the rig operating on the water surface above the site exploded on April 20. Clean-up efforts continue, though,

发表于:2019-01-14 / 阅读(99) / 评论(0) 分类 VOA标准英语2010年(十一)月

NEW YORK Plug in your car, then unplug, and drive away. More and more consumers are doing just that. At the 2014 New York Auto Show many automakers unveiled electric or hybrid vehicle to address the growing global appetite for environment-friendly ca

发表于:2019-01-30 / 阅读(82) / 评论(0) 分类 英语新闻

SEOUL/WASHINGTONThe U.N. Security Council said Wednesday that it was working to craft new sanctions against North Korea after its latest nuclear test, while the United States and other world powers voiced skepticism about Pyongyang's claim that the u

发表于:2019-02-04 / 阅读(42) / 评论(0) 分类 英语新闻

[Scene: Central Perk, everyone is there except Joey.] Monica: Alright. Phoebe? Phoebe: Okay, okay. If I were omnipotent for a day, I would want, um, world peace, no more hunger, good things for the rain-forest...And bigger boobs! Ross: Yeah, see.. yo

发表于:2019-02-04 / 阅读(101) / 评论(0) 分类 英语杂谈

Questions 12-20 The elements other than hydrogen and helium exist In such small quantities that it is accurate to say that the universe somewhat more than 25 percent helium by weight and somewhat less than 25 percent hydrogen. Astronomers have measur

发表于:2019-02-05 / 阅读(102) / 评论(0) 分类 托福英语

Ganso could be out until 2013, says physio RIO DE JANEIRO, Sept. 28 (Xinhua) -- Brazil midfielder Paulo Henrique Ganso could be forced to wait until next year to make his debut for new club Sao Paulo. Ganso, who joined the Brazilian top division outf

发表于:2019-02-06 / 阅读(141) / 评论(0) 分类 英语新闻

PREFIX 1.a-:of;on;intensive;negative,not,without;ad-;ab-. 2.ab-:away from,off. 3. ad-:to;at;for. 4. aer(o)- :relating to air . 5.al-:all. 6.ambi-:on both sides,around. 7.amphi-:on both sides,around. 8.an-:negative,not,without. 9.ana-:upon,up,on. 10.a

发表于:2019-02-06 / 阅读(122) / 评论(0) 分类 雅思英语

December 30, 1954 I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indi

发表于:2019-02-09 / 阅读(125) / 评论(0) 分类 英语美文

Let's begin by winding the timeline back 13.7 billion years, to the beginning of time. 让我们把时间往回拨到137亿年前,也就是时间的开始。 Around us, there's nothing. There's not even time or space. 四周是什么也没有,根本

发表于:2019-02-14 / 阅读(55) / 评论(0) 分类 TED演讲教育篇

9月16日是墨西哥馆日,墨西哥馆五颜六色的风筝森林吸引了不少人的眼球,你知道小小的风筝里有什么大学问吗?其实风筝也有很多种分类哦,一起来看看吧。 说到kite这个单词,这也许是我们

发表于:2019-02-18 / 阅读(130) / 评论(0) 分类 英语口语

North Korea conducted a 'successful' hydrogen bomb test, Pyongyang has confirmed. The thermonuclear weapon triggered a massive 5.1 magnitude earthquake when it exploded at 10am local time on Wednesday. 平壤方面已经证实,朝鲜成功的进行了

发表于:2019-02-18 / 阅读(66) / 评论(0) 分类 英语新闻

So my name is Taylor Wilson. I am 17 years old and I am a nuclear physicist, which may be a little hard to believe, but I am. 我叫泰勒 威尔逊,今年17岁,我是一名核物理学家,可能你们很难相信,但我确实是。 And I wou

发表于:2019-02-21 / 阅读(56) / 评论(0) 分类 TED演讲教育篇
学英语单词
Abragam-Pound theory
adeniform
admirablenesses
after-condensation
air-bounce
araricus bretschneideri kalich et thum
arch pattern
atypical lipoma
Aurec-sur-Loire
backvelders
Barrow Ra.
be like a fish out of water
Beattie-Bridgman equation
burst diaphragm
cable saddle
cationic polyelectrolyte
centric position
chagnons
chloperastine
cinchopen
cinetisations
cock-knockers
communication interface routine
congenital epithelial defect
cyclo-mangaite
deal with sth
delimbing
delivery of a deed
devitalizing
dosage of drug
dry path
dynamometer electro
enchasers
ernst maches
fermenting power
frost-free day
froth removal zone
Gaboto
gastric residuum
genus callitriches
geometricization
H. S. C.
hatch edit
hemitriakis complicofasciata
identity period
infanticide by violence
interdependence between yin and yang
interference dilatometer
Ishikari-sanchi
Kolam
lattice gliding
load setting gear
loeweite
main program sequence
many-many communication
marginal density (function)
mechanical breakdown
medieval-philosophy
Menehunes
minhagim
nei monggols
okamura
old computers
open-eyeds
pamelor
passive movements
Pechora River
performance interview
peuls
philanthropic gift
Phyllomitus
plastic base mirror
Primula miyabeana
pumping lift
rate center
sand dike
Sean O'Casey
self-deprecations
serial-parallel mutiplication
shrimpers
ST_technology_conventions-used-on-the-internet-and-in-email
stationary window
straight line lever
strong stationarity
strongly polar hydrocarbon
sugar cane fibre
suppressor kit
swig up
sympolyandria
system parameters
tent-like
the Indian Ocean
tigroid masses
uesd to be rife
UMNL
unhearting
USAian
Ust'-Olenëk
Valencia County
verreos
vogt-koyanagi(syndrome)
ward-fee