[化] 双甲基甲醇; 双对氯苯基甲基甲醇; 双乙醇; 双对氯苯基乙醇

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:2018-12-04 / 阅读(161) / 评论(0) 分类 英文魔法师字源大挪移

Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

发表于:2018-12-18 / 阅读(148) / 评论(0) 分类 万物简史

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

发表于:2018-12-24 / 阅读(134) / 评论(0) 分类 Scientific American(六)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(118) / 评论(0) 分类 Scientific American(三)月

Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting

发表于:2018-12-24 / 阅读(133) / 评论(0) 分类 Scientific American(三)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:2019-01-02 / 阅读(153) / 评论(0) 分类 午后咖啡

If you are like many language students, you might have a problem with procrastination. Perhaps you are slow to do homework or study for a test. Maybe you do not like to study or you become distracted while studying. Whatever the case may be, learning

发表于:2019-01-02 / 阅读(439) / 评论(0) 分类 2017年VOA慢速英语(六)月

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(170) / 评论(0) 分类 农业与发展

PEOPLE IN AMERICA - May 12, 2002: Dorothy West By Doreen Baingana VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with the Special English Program, PEOPLE IN AMERICA. Every week, we te

发表于:2019-01-07 / 阅读(193) / 评论(0) 分类 People in America

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(134) / 评论(0) 分类 Scientific American(四)月

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(137) / 评论(0) 分类 Scientific American(十一)月

By Jim Malone Washington 10 March 2006 President Bush The decision by a company based in Dubai to abandon efforts to take over management of several large U.S. ports may have diffused a political cont

发表于:2019-01-09 / 阅读(194) / 评论(0) 分类 2006年VOA标准英语(三月)

FRITZI BODENHEIMER: This is SCIENCE IN THE NEWS in VOA Special English. I'm Fritzi Bodenheimer. FAITH LAPIDUS: And I'm Faith Lapidus. Winter conditions are affecting many countries in Earth's northern hemisphere. Winter brings cold weather and, with

发表于:2019-01-11 / 阅读(364) / 评论(0) 分类 2010年慢速英语(二)月

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: Anu Garg, creator of the A.Word.A.Day Web site and author of a new book called Another Word A Day: An All-New Romp Through Some of the Most Unusual and Intriguing Words in English

发表于:2019-01-18 / 阅读(156) / 评论(0) 分类 英语单词大师-Word Master

Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(162) / 评论(0) 分类 经济学人科技系列

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(264) / 评论(0) 分类 英语新闻

BEIJING, Aug. 8 (Xinhua) -- China on Wednesday started to review anti-dumping measures it imposed on chloroprene rubber imported from a Japanese company, the Ministry of Commerce said. The move came after the ministry received complaints that Japan E

发表于:2019-02-05 / 阅读(185) / 评论(0) 分类 英语新闻

Cement is a major component of concrete, the world's most widely used man-made material, an integral part of roads, bridges and buildings. But making cement requires heating limestone and other materials to very high temperatures, a process that rele

发表于:2019-02-08 / 阅读(220) / 评论(0) 分类 VOA标准英语2010年(一月)

RABAT, Dec. 26 (Xinhua) -- The Moroccan national team coach Rachid Taoussi announced Wednesday the squad for the finals of the African Cup of Nations (ACN-2013) in South Africa from January 19 to February 10. Taoussi left out Queens Park Rangers forw

发表于:2019-02-08 / 阅读(190) / 评论(0) 分类 英语新闻

STEVE INSKEEP, BYLINE: Some people who watch what they eat may be overlooking the most important things. Counting calories is a bit too simple. Cutting carbs is a bit too hard. So what can you do? NPR's Allison Aubrey has a different strategy. ALLISO

发表于:2019-03-04 / 阅读(176) / 评论(0) 分类 2019年NPR美国国家公共电台1月
学英语单词
adsignifying
agreeably
antimycobacterial agents
arbitration analysis
Balagannoye
balancer
bleached hologram
blindstitched
boondy
Brody knob
burner band
busted down
canvas grommet
carage
ch'i pu y?eh
colour-gain & delay test set
computer-searches
cooked rice
corbel-piece
costmaries
current run labor rate
cyberattacks
delayed penalty
dewflower
document gage
dry convection
end point carbon
erect oneself
exhaust price
extraction feed
fluoro complex
gauging-rod
gingerbread
gnomishness
habit reversal
Hardwick, Elizabeth
hemiarthroplasties
high scale
i rays
interfering ion
isopachs
Kushida-gawa
legendmaker
MABP
meresman
methyl cyclohexane
micropowers
minor agglutination
narrow-bore tunnel
Nevelson, Louise
nominal partner
non-Bayesian
non-searching self-adjusting system
norcarane
old stalk
parapenaeopsis cornuta
partition running
phase band
phyllidia varicosa
pipunculus (eudorylas) bicolor
Plantago depressa
Poian
poliakov
Polygonum jucundum
previous output state
Rawls
reel line
reminder letter
Ruthven
scheme competition
semantic space construction
semi-high-speed steel
sharp-pointed
short-range density
simple elixir
skin edema
slantings
sodium acid sulfite
squeeze someone until the pips squeak
state of chromatic adaptation
stockholders, equity
Sulcus nervi petrosi majoris
system-on-chip integration
toner low
track spot
trade federation
traitoress
trench-forearc geology
trimming inductance
triominoes
try cock
tuna party
use a broad brush
valdo
value set
veritableness
vitrectomy
wanion
watercourse modification
weather parameters
wild fennel
yujis