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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(144) / 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(118) / 评论(0) 分类 Scientific American(四)月

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(308) / 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(106) / 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(172) / 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(203) / 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(131) / 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(112) / 评论(0) 分类 Scientific American(九)月

一直以来,Jack Johnson的歌总渲染有太多怀旧的色调。作为一部逗乐的儿童电影主题曲,Upside down本应该轻松不断、诙谐有加,但 不知为什么,听这首曲子,心灵深处触摸的并不是小猴的调皮,而是调皮外表下一颗敏感孤独的心。 与Talk of the town相比,Upside down带有原

发表于:2019-01-11 / 阅读(189) / 评论(0) 分类 音乐咖啡厅

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(124) / 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(149) / 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(125) / 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(129) / 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(147) / 评论(0) 分类 2010年慢速英语(二)月

The One With The Girl From Poughkeepsie 本集简介 : Joey sets a personal record for sticking Oreos in his mouth--15. Ross dates a girl from Poughkeepsie but is concerned about the distance involved in seeing her. Rachel wants a relationship--or a

发表于:2019-02-04 / 阅读(136) / 评论(0) 分类 老友记(六人行)

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(197) / 评论(0) 分类 英语小短文

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(159) / 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(107) / 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(380) / 评论(0) 分类 阅读空间

1. terpsichorean /ˌtɜ:psɪkəˈri:ən/ -- pertaining to dancing Terpsichore是传说中希腊九女神里主掌舞蹈的。忒耳普西科瑞,九位缪斯女神之一,是宙斯和记忆女神谟涅摩绪涅的女儿。她是舞蹈的发明者,并

发表于:2019-02-27 / 阅读(209) / 评论(0) 分类 突破英文词汇
学英语单词
associative facilitation
atropine valerate
balance outstanding
bougainvilleins
breaking ground
brine loft
carabid
chrome brick
chromosome disease
cinnamomun argenteum gamble
coil temperature rise
collecting water supply system
colorations
combustible charge
come to ... hands
computer down-time
contact ion engine
cornflower asters
cse (certificate of secondary education)
declaration of hatches
Dharmanagar
Dhāt Ras
Diamper, Synod of
dichloromalonic acid
dileonardo
dudek
Eggars
eozoons
expressens
focused reflector
frostline
fulfill obligations
genus Danaea
Guaina, R.
gubernaculum testis
have seen service
heat conservation
histoplasmoma
hollyday
hurrahed
immunohistochemical method
interbelline
laser application
lizard
lupinus incanus grap
mandarich
menopausal states
micro-power detector for pulsed laser
micro-saccharimeter
Mornington I.
multinucleate giant cell
needlelace
non-mathematical program
opalise
overplying
Palmenhorst
payroll credit
payta cotton
phaeosaccardinula penzigi (sacc.) yamamoto
Pisgah, Mt.
plasomes
plaunke
podospora globosa
pointer attribute
polarizing means
pole of cold
prewelding
primovula piriei
program compatibility
protolysosome
pull along
Punam-gundo
radiofluorescence
realtime graphic
reversing sleeve
rigid extensible bar
Rokunohe
rubber-tire
Salticidae
selective-solvent-refined oil
single field lens
single shear rivet
sir harold walter krotoes
slvr
Spesicor
subcutaneous injury
suerior labial branches
sufficient condition for identification
Sulfamylone
tag sale
Tobys
toomre
unique array
Vinether
vliet
water-mixing nozzle
weame
weiete
wekes
welding inspector
wordinitial
zoomastigophorean