酸性基

THIS IS AMERICA - Girl Groups' in Rock Music By Robert Brumfield Broadcast: Monday, February 02, 2004 (THEME) VOICE: Welcome to THIS IS AMERICA, in VOA Special English. I'm Phoebe Zimmermann. In the l

发表于:2018-12-07 / 阅读(81) / 评论(0) 分类 This is America

This is Scientific American's 60 Second Science. I'm Steve Mirsky, got a minute? The Meridiana Planum region of Mars once had water that was really soft and highly acidic, conditions in incredibly hostile to any life forms that we know about. So any

发表于:2018-12-24 / 阅读(77) / 评论(0) 分类 Scientific American(二)月

Hungry Lasagna So you made lasagna last night, and it was delicious. You saved the leftovers by wrapping aluminum foil over the top of the pan, and putting it in the fridge. When you get hungry today, you go to look for that lasagna, but it looks lik

发表于:2018-12-31 / 阅读(62) / 评论(0) 分类 英语听力文摘 English Digest

Fish raised in the more acidic seawater that would result from higher carbon dioxide levels forget to flee predators. More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the grow

发表于:2019-01-02 / 阅读(52) / 评论(0) 分类 60秒科学

Too often young Somali-Americans have made news for all the wrong reasons. Some young people have fallen victim to drug abuse or the appeal of gang violence. Others have turned to extremist ideology. But youth organizations in the American state of M

发表于:2019-01-02 / 阅读(56) / 评论(0) 分类 2017年VOA慢速英语(四)月

More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the growth of corals. And it turns out acidic seawater also makes clownfish and damselfish suicidally bold and reckless, accor

发表于:2019-01-08 / 阅读(77) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Landfills produce methanewhich can be valuable as an energy source. But scientists haven't known why landfills make so much methane. The solid waste in

发表于:2019-01-08 / 阅读(139) / 评论(0) 分类 Scientific American(四)月

This is Scientific American 60 second Science, I am Sophie Bushwick, got a minute~ Theyre called hydogels: Jell-O-like materials made of networks of long-chain molecules in water. And theyre as flexible as living tissue. But hydrogels could not recov

发表于:2019-01-08 / 阅读(95) / 评论(0) 分类 Scientific American(三)月

AS IT IS 2014-09-04 Rights Groups: Thailand Suppresses Freedom Thailands military and police have stopped the release of an independent report on human rights. The report examines human rights in Thailand during the first 100 days under military rule

发表于:2019-01-12 / 阅读(66) / 评论(0) 分类 2014年VOA慢速英语(九)月

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- English teacher Lida Baker in Los Angeles talks about improving English pronunciation by understanding the idea of thought groups. RS: Thought groups are something we don't even

发表于:2019-01-18 / 阅读(41) / 评论(0) 分类 英语单词大师-Word Master

Colombia's largest armed rebel groups, the FARC and ELN, have met to strengthen their unification process. In a statement, the FARC says incidents which led to the distancing between the groups have been overcome. The FARC has also stressed the need

发表于:2019-01-19 / 阅读(60) / 评论(0) 分类 世界各地新闻集锦

如果你爱喝葡萄酒或经常遇到要喝葡萄酒的场合,学几句高大上的品酒英语尤其重要。 品葡萄酒本节课的重点词汇: 1) wine tasting 葡萄酒品酒会2) tasting flight 品酒序列3) Cabernet Sauvignon 赤霞珠4)

发表于:2019-01-22 / 阅读(77) / 评论(0) 分类 美国文化脱口秀

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(92) / 评论(0) 分类 自然百科2009年

Amygdala's Acidic Aspiration Answer A study in the journal Cell shows that the buildup of carbon dioxide when we stop breathing causes a pH change that signals proteins in the brain to force us to inhale. Karen Hopkin reports. Maybe its happened to y

发表于:2019-01-30 / 阅读(171) / 评论(0) 分类 60秒科学

By Claudia Blume Hong Kong 16 November 2007 Hong Kong-based human rights groups who recently returned from a fact-finding mission to the Philippines found that the frequency of extrajudicial killings in the country has gone down. Disappearances, howe

发表于:2019-02-08 / 阅读(76) / 评论(0) 分类 VOA常速英语2007年(十一月)

By Noel King Kigali 19 October 2007 Congo's 2006 democratic elections were intended to usher in a new era of peace in the once war-torn nation. And while improvements have been seen in certain areas across the vast country, holdout armed groups in th

发表于:2019-02-08 / 阅读(162) / 评论(0) 分类 2007年VOA常速英语(十月)

Occupy Wall St which began in New York in September has spread around the world. By last Saturday, there were 2,668 groups in about 100 countries. Occupy protest groups have been in our main cities for the last six weeks but now councils are getting

发表于:2019-02-17 / 阅读(59) / 评论(0) 分类 新西兰英语

The practice of medical groups in China only emerged in recent years. It's when a number of doctors come together, they can carry out medical treatments independently, without being employed by any public or private hospital. Such a move is unconvent

发表于:2019-02-25 / 阅读(76) / 评论(0) 分类 cctv9英语新闻2016年

Don comes up with another entrepreneurial venture, but Yael straightens him out just in time. [Thunder] Y: What are you doing outside, Don? It's about to rain. D: I'm setting up bottles. Y: I can see that. But why? D: For my new business venture: bot

发表于:2019-03-06 / 阅读(119) / 评论(0) 分类 英语时差8,16

Acid Water Yal: What are you doing outside, Don? It's about to rain. Don: I'm setting out bottles. Y: I can see that. But why? D: For my new business venture. Bottled rainwater! Y: As in living plastic bottles out in the rain and then selling them as

发表于:2019-03-09 / 阅读(276) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
acacia
alfredas
arnica oil
bromphenol red
buck teeth
bumper plate
Camellia tuberculata
cast-iron
close to
closed linear transform
coalsey
Coipasa, L.de
come to a dead end
compete on an equal basis
compression fracture
correction for curvature of star image path
Córdoba, Pen.
database handler
delay-pulse oscillator
dereferencing
determination of cardiac ejection fraction
device control unit
dihydrobenzophenanthridine oxidase
Dirichlet, Peter Gustav Lejeune
discussion board
earth inductor compass
Englishest
Enkoping
Extra Detention at Port of Refuge
fail-safe test
file utility
GABOA
graphic estimation method
hand-me-up
Heinola
high-pressure tire
horizontal stabilizers
I can't say
image interpretation elements
index lever
information link
interior plantscape
japan cedars
kidney cortex
kyking
less than cumulative frequency distribution
Lufthansa
mammon of unrighteousness
minstrelsy
necrosis progrediens
non-hearer
nonfeeding
nonprocedural referencing language
opiet
orchilla weeds
overturcased
Patrons of Husbandry
pavement corpuscle
plopper
prosobranch
psilocephalus barbatus
quasiasymptote
radio fan marker
refractory seals
remote point
ressler
revolubilis
rewind(rewound)
right-face
Romerike
rough cut capacity plan
scaveng
Select Flagged Messages
send to the hammer
sequence computer
shear cleavage
silicon compliers
snakey
soil aggregate size
specific detecivity
spiral sluice
spondylus butleri
staircase locks
steam boilers
steam-baths
superior pancreaticoduodenal lymph nodes
Södermanlands Län
tagger
termination notice
text information retrieval system
the marketing
troups
twentyness
two-plus-one address
ultra microwaves
unexposed line
volume control surge tank
western osprey
wild fermentation
Yachimata
yonus