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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(329) / 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(304) / 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(550) / 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(307) / 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(348) / 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(413) / 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(350) / 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(304) / 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(361) / 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(292) / 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(358) / 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(339) / 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(299) / 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(352) / 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(353) / 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(412) / 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(421) / 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(295) / 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(575) / 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(439) / 评论(0) 分类 突破英文词汇
学英语单词
Abū 'Ushar
aipa
allognosta fuscipennis
alpha
alteration product
ameistren
anti-fade
ashlar
Baffin Island
baroness jackson of lodsworths
be three sheets to the wind
black draft
bookbinder wire
boundary of useable part
broadspread
burst campaign
check credit requisition
Cheddleton
chelseas
contact electrical durability
contemptuousnesses
cra
cross-pin type joint
cubelet
cylinder teaseling machine
dakides
Dakin's Fluid
data entry display
digit storage relay
dobereiner
drawing command
dress day
drinis
early proembryo stage
erotic
festina lente
fleechment
formats
fornicators
furnace-crown
geometric mean value
glycerol test
heat-eye tube
horizon system
hot heading
humble detaching hook
impact pile driving
lady of the bedchamber
local exchange service
male monarch
mandrell
mechanothermy
Methasedil
minibears
myrosase
nanosecond image converter streak camera
obeng
ochroconis gamsii
open-market option
perimagmatic vein deposit
podocnemis unifilis
polytropic
pornotopian
postmodern communication
postscripted
preshared secret
Price To Book Ratio
pride of life
pulpo-
radio compass error
read screen
reduced paid-up insurance
refractory erosion
respectabilizing
rond-de-cuir
scalptura
sclavo
secondary lubricating pump
semantic components analysis
shoal patches
single phrase
single sideband transmission
skill-training
sliding partition
sudismase
superposition method
surveyed area
take a break
talk about it
telegraph terminal set
tertane
thanking
the warranty
throw
tighter
to rest on one's arms
treron curvirostra
vessel with freeboard
voidest
watchkeeping
weighted heat rate
weighter factor