[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(204) / 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(194) / 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(165) / 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(281) / 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(202) / 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(176) / 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(198) / 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(145) / 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(204) / 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(161) / 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(113) / 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(200) / 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(197) / 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(243) / 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(206) / 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(207) / 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(141) / 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(222) / 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(143) / 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(146) / 评论(0) 分类 TED演讲教育篇
学英语单词
anti-magnetic bearing
aphanophyric texture
ascaridol
assailest
Borisoglebskoye
braking ellipses
captioner
circular seam-welding machine
color difference amplifier
condensation by contact
cremeous
dimensionless ratio
dip-ears
discipula
dry bean
equivalent vibration system
erased noise
ette
excess withdrawal
extent of compensation
Fermi constant
flame nettle
forest fire
from the point of view
Fusobacteriales
germanium chloride
Gesellschaft, gesellschaft
golfer
graceless florin
grading of river bank
griddle cake
heavy clay product
hentaigana
heteroplastic transplantation
hideouts
horizontal coplane
Ilex tsiangiana
infinitely thick layer
Jungingen
keep at it
khurta
knauffite
kuhl cement
laminal flow
lateral locator
leuprorelin acetate
lubricating point
Margetshöchheim
minimum protective potential
nap-of-the-earth flight
necked down core
night bomber
nuclear magnetic resonance scanner
nymphomaniacal
omission error
optimal searching algorithm
osdh
paleotype
papalty
PC (pulse controller)
phytocollite
pipe ventilated type
plug-in
positional crosstalk
potential dew-point temperature
prospective utility
pulse lead
pushing action
rebuilding instruction
Robert E Lee Day
round Window
Roussy-Levy syndrome
Sacandaga R.
salivatory
seam gauge
set on its ear
six vector
skeleton code
snakehole
sounding pipe for cargo tank
sphere trough pair
spread ... over
star craving mad
streak-plate
styrax depuratus
superior ramus of ischium
tapered feed wheel
ten-days
terpinols
test clips
titi families
Tuberculum jugulare
turitto
two-year-olds
Uncaria sessilifructus
unintended
warhead section
wellville
westgren
wholly owned subsidiary mode
Wronskian matrix