[化] 加氢脱硫

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(180) / 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(175) / 评论(0) 分类 VOA2003(上)-科技导航

Following the historic summit between President Donald Trump and North Korean Chairman Kim Jong-un, Secretary of State Mike Pompeo met with the foreign ministers of South Korea, Japan, and later China to brief them on the way forward with North Korea

发表于:2018-12-08 / 阅读(123) / 评论(0) 分类 VOA标准英语2018年(六月)

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(144) / 评论(0) 分类 英语演讲

London Terror Probe Traces Path to Radicalization, via Somalia In the days since the killing, it's emerged that one of the suspects, Michael Adebolajo, was arrested in Kenya in 2010, accused of seeking training with terror group al-Shabab in neighbor

发表于:2018-12-16 / 阅读(128) / 评论(0) 分类 VOA标准英语2013年(六月)

AILSA CHANG, HOST: The leaders of the rival Koreas have agreed to work towards formally ending the Korean War and to seek a nuclear-free peninsula. That agreement came out of a day-long and historic summit between North Korea's Kim Jong Un and South

发表于:2018-12-17 / 阅读(159) / 评论(0) 分类 2018年NPR美国国家公共电台4月

Item eight. Vocabulary. fossil, molecule, hydrogen, carbon, sulfur. Petroleum has been important since ancient times. In Latin, the name means rock oil. Petroleum is a fossil fuel. The liquid comes from the remains of plants and animals that died mil

发表于:2018-12-27 / 阅读(115) / 评论(0) 分类 step by step 3000 第一册

A South Korean official says North Koreas leader commented that he is committed to denuclearization of the Korean Peninsula. National security advisor Chung Eui-yong also said that the leaders of North and South Korea are to meet in the capital of No

发表于:2019-01-03 / 阅读(169) / 评论(0) 分类 2018年VOA慢速英语(九)月

I was very delighted to hear the topics and the briefing that Dr Muhammed ul-Qadri gave, especially on the aspect of de-radicalization of the youth What is being called the Western world's first anti-terror camp for young Muslims is being held in Bri

发表于:2019-01-13 / 阅读(142) / 评论(0) 分类 VOA标准英语2010年(八)月

As Egypt's Jails Fill, Growing Fears Of A Rise In Radicalization DAVID GREENE, HOST: Egypt has a history of breeding militancy in its jails. Some of the figures who inspired the birth of al-Qaida became extremists during their abuse in prison there.

发表于:2019-01-17 / 阅读(142) / 评论(0) 分类 2016年NPR美国国家公共电台8月

LULU GARCIA-NAVARRO, HOST: We now get a rare look inside a French prison. Officials in France say prisons have become incubators of extremism. Many of the homegrown terrorists who've launched attacks in places like Paris and Brussels recently were ra

发表于:2019-01-17 / 阅读(134) / 评论(0) 分类 2017年NPR美国国家公共电台6月

BERLIN, April 25 (Xinhua) -- A study recently published in the journal Nature Chemical Biology opens up new avenues in biohydrogen research, the Technical University of Berlin (TU Berlin) said on Friday. Scientists at the TU Berlin succeeded in expla

发表于:2019-01-26 / 阅读(114) / 评论(0) 分类 英语新闻

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(146) / 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(100) / 评论(0) 分类 英语新闻

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(174) / 评论(0) 分类 托福英语

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(185) / 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(184) / 评论(0) 分类 英语美文

During his telephone conversation with US Secretary of State John Kerry, Wang Yi underscored China's firm stand on promoting the elimination of nuclear weapons on the Korean Peninsula, and the safeguarding of regional peace and stability. Both sides

发表于:2019-02-14 / 阅读(160) / 评论(0) 分类 2016CRI中国国际广播电台

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(199) / 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(121) / 评论(0) 分类 英语新闻
学英语单词
abounding with
absarokite
advance corporation tax
Alaskian
apparent setting
Athenaeus
auriferousness
benli
black beetles
blue-pencilled
bowshers
brake-pipe
bust my chops
Caltanissetta, Prov.di
cashier's order
catcholase
center-parted
chromagar
CIDAC
coeligenous
coincidence matrix switch
debro
disaventurous
dudesses
Ehrenfest's equations
electroacoustic response
employee testimonial
engine room platform
equatorial horizon projection
estrada doctrine
excess lactate
field fracture
fossae submaxillaris
freeskiing
frozen yogurts
ganglion spirale
gellert grindelwald
gorengs
haler
heterogomph falcigerous seta
high-street
illegal operation code
interviewable
Island Eastern Corridor
jaros
La Moine R.
lactoflavin
lead acetate medium
life scientist
lyen
magnetic controller
marine magnetic chart
marine return tube boiler
micromole
mooring band
morking
munidopsis dasypus
neocentric (rhoades & kerr 1949)
nm (nautical mile)
nominal shipper
Norman-French
ooze leather
opponens digiti minimi
order Cypriniformes
Pharm.
photophobism
pointer (in programming language)
politicious
pre-inspection
preservation technology
pressure duct
r-f shift
rastaman
redetaining
rothbard
sea suction
secau
self-sustained discharge test
shengdan
smoothing data
social economic statistics
sorter-reader flow
St. Andrew
stating characteristic
Stirling refrigerator
suspension lever pivot pin
taqua nut
thalidine
Theolamine
tiger teams
tirages
transmission characteristic
trivial microbundle
ultraviolet degradation
undermarked
unforcement
uterogenic
ventricle of heart
Vittaryd
vocab.
week in
wire rope hoist