苦味酸类

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January

发表于:2018-12-24 / 阅读(171) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Many of the key molecules for life have a specific direction, or handedness: DNA twists to the right, amino acids to the left. Now scientists at the Nation

发表于:2018-12-24 / 阅读(146) / 评论(0) 分类 Scientific American(四)月

The Chinese began to it laver more than 1,000 years ago. 在中国吃紫菜已经有一千多年的历史 It is usually used to make soup. 最常见的吃法是用来做汤 The secret of its flavor-enhancing effect lies in its rich amino acids includ

发表于:2018-12-28 / 阅读(134) / 评论(0) 分类 舌尖上的中国第一季

How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t

发表于:2019-01-02 / 阅读(353) / 评论(0) 分类 知性英语

AGRICULTURE REPORT - Legumes: Good for People and SoilBy Bob Bowen Broadcast: Tuesday, February 21, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. Many different kinds of plants

发表于:2019-01-02 / 阅读(137) / 评论(0) 分类 2006年慢速英语(二)月

From VOA Learning English, this is the Health Lifestyle report. Nearly 790 million people around the world do not get enough to eat. Most of them live in developing countries. Many parts of the developing world do not have transportation systems in p

发表于:2019-01-02 / 阅读(205) / 评论(0) 分类 2017年VOA慢速英语(六)月

By Nancy Steinbach Broadcast: July 30, 2003 This is Bill White with the VOA Special English Health Report. A medical study says foods rich in a kind of fat may help prevent Alzheimer's disease. Alzhei

发表于:2019-01-07 / 阅读(234) / 评论(0) 分类 VOA2003(下)-环境与健康

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. In 1953 a student named Stanley Miller did an experiment showing that the simple chemicals present on the early Earth could give rise to the basic buildi

发表于:2019-01-08 / 阅读(158) / 评论(0) 分类 Scientific American(十)月

The early Earths oceans were home to a lot of interesting chemistry. Now scientists have found that amino acids thought to be present way back when could have been cooked into other compounds vital for lifean idea you should take with a grain of salt

发表于:2019-01-08 / 阅读(140) / 评论(0) 分类 Scientific American(九)月

Scientists say that omega-3 fatty acids in fish oil can help people with heart disease live longer. But until now, no one knew why omega-3 oils are so beneficial. This is what coronary artery disease looks like. Plaque builds up inside the coronary a

发表于:2019-01-13 / 阅读(156) / 评论(0) 分类 VOA标准英语2010年(一月)

If you sucked all of the moisture out of your brain and broke it down to its constituent nutritional content, what would it look like? 如果将你大脑里所有的水分都吸干,然后按不同的营养成分进行分类,会是怎样呢? Mos

发表于:2019-01-17 / 阅读(177) / 评论(0) 分类 TED演讲教育篇

Olive oil is 100% fat; there's nothing else in it. 橄榄油含有100%的脂肪,除此之外没有别的。 Pancake mix, on the other hand, is only about 11% fat. 相反,煎饼只有约11%的脂肪。 And, yet, olive oil is good for you, and panc

发表于:2019-01-17 / 阅读(150) / 评论(0) 分类 TED演讲教育篇

AGRICULTURE REPORT - Scientists Clone Pigs to Make Omega-3 Fatty AcidsBy Mario Ritter Broadcast: Tuesday, April 04, 2006 I'm Faith Lapidus with the VOA Special English Agriculture Report. Scientists s

发表于:2019-01-30 / 阅读(159) / 评论(0) 分类 2006年慢速英语(四)月

STEVE EMBER: This is the VOA Special English program SCIENCE IN THE NEWS. I'm Steve Ember. BARBARA KLEIN: And I'm Barbara Klein. This week, we will tell how less salt can lead to better health. We will also tell about the helpful effects of omega-thr

发表于:2019-01-31 / 阅读(184) / 评论(0) 分类 2010年慢速英语(二)月

Bitter Sweet Cos' it's a bittersweet symphony that's life... Trying to make ends meet, you're a slave to money then you die, I'll take you down the only road I've ever been down... You know the one that takes you to the places where all the things be

发表于:2019-02-08 / 阅读(175) / 评论(0) 分类 好听的英文歌曲

You need to take proper care of your eyes to maintain good eyesight. There are few fundamental rules that have to be done for good eye care. As you know very well that exposure to sun is very bad for the eyes. Similarly, if you use computer for long

发表于:2019-02-09 / 阅读(245) / 评论(0) 分类 英语小短文

Sun rays come down as seen when they hit the ground Children spinning around till they fall down down down I wait for you it's been two hours now You're still somewhere in town Your dinners getting cold I rest my case you are always this late And you

发表于:2019-02-11 / 阅读(151) / 评论(0) 分类 影视英文歌曲

There are actually twenty-two naturally occurring amino acids known on Earth, 实际上,地救上有22种天然存在的氨基酸, and more may await discovery, but only twenty of them are necessary to produce us and most other living things. 更多

发表于:2019-02-17 / 阅读(196) / 评论(0) 分类 万物简史

Proteins are what you get when you string amino acids together, and we need a lot of them. 你把氨基酸串在一起,就得到了蛋白质。我们需要大量的蛋白质。 No one really knows, but there may be as many as a million types of pro

发表于:2019-02-17 / 阅读(136) / 评论(0) 分类 万物简史

Eating a small steak every day could be as good for you as stopping smoking, scientists say. 科学家说,每天吃一小块牛排可以像戒烟一样对你有好处。 People who eat lots of protein-rich food were found to have lower blood pressu

发表于:2019-02-18 / 阅读(401) / 评论(0) 分类 阅读空间
学英语单词
adanale
agnostid
Agriculture Secretary
American mucocutaneous leishmaniasis
an empirical study
angular cobble
bacon rinds
Baillieborough
baycurine
be in charge
bugbearing
business information analysis
carbalkoxy
cellulose nitrate disc
CGS electrostatic system
chlorsilane
differential pressure control
dishonor of check
distribution rate
dividend earned
drug offence
eldened
electromagnetic anechoic chamber
excision-junction
fall down in adoration before
fangorns
folding steel chair
frasne
free rosin
fully impregnated insulation
government to government
half-wave linear radiator
heavy day
Henry VII
heteromoropism
high frequency electrically heated mold
HPPE
hylozoic
impersonal payee
interdental
irregularizations
jewlover
junka
Kalondwe
kidney corpuscles
kieselgur
knaveships
lighthouse kerosene
love-nest
lower bounds
lung connecting all vessels
magnet reaction
main loading level
main-rotor drive
marine field
mechanized index preparation
meteorological map
microtubules
minimum material condition
mogadan
money of small denominations
negotiable cheque
non newtonian flow measurement
of importance to
onbide
organizational climate description questionnaire (ocdq)
Orulgan, Khrebet
padano
perimete
photogenic plate
plus phase
plutonic rock
police investigation
polyedric
port-soken
Pullman
put your finger to your lips
reconstituent
reduced paid-up insurance
reserve pump
reversal of the pressure
Sanuroid
Sauro, Torrente
separate device
single-line spectro-scopic binary
slipsole
softcentre
spotted dicks
Stewart, C.
suborder osteostracis
successive block and row overrelaxation
sunspectrums
tabret
tibet wool
transient state stability
Trapella
untrophied
ureteoneopyelostomy
variable control aircraft
wet sock
widow's gap
youres