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Before you listen We suggest you do the vocabulary activity below before you listen. Then listen to the episode and do the first task to check your understanding. Finally, practise some vocabulary and grammar. Match the words and phrases in the boxes

发表于:2018-12-03 / 阅读(105) / 评论(0) 分类 英语听力 大城市小世界

Jack opened his eyes. Bright, golden sunlightpoured into the tree house. The air felt crisp and cool. Annie was wearing a long dress, a white cap, andan apron. Jack wore a jacket with a frilly collar. He woreshort pants, long socks, leather shoes, an

发表于:2018-12-10 / 阅读(100) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

This is Scientific American's 60-Second Science. I'm Steve Mirsky. This will just take a minute. Pregnant women shouldn't drink. It's become gospel, because of the danger of fetal alcohol spectrum disorder. Alcohol can disturb the normal development

发表于:2018-12-24 / 阅读(145) / 评论(0) 分类 Scientific American(三)月

This is Scientific American 60-second Science. I'm Christopher Intagliata. Got a minute? Hey, four eyes. Let playground tongue more accurate when it applied Anableps anableps, a fish related to the garbe. It lives in the blackish water of mangoswan i

发表于:2018-12-24 / 阅读(188) / 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. After water, tea is the world's most popular drink. Now three New York City high school students have discovered what maybe a bruing scandal because th

发表于:2018-12-24 / 阅读(147) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

发表于:2018-12-24 / 阅读(173) / 评论(0) 分类 Scientific American(十)月

This is Scientific Americans 60 second Science, I am Christopher Intagliata, got a minute? You know what fiber's good forto keep things moving smoothly downstairs. But it's not just for staying regular. Fiber can boost the number of beneficial bacter

发表于:2018-12-24 / 阅读(138) / 评论(0) 分类 Scientific American(六)月

Jeanne Baret was passionate about science, so passionate that in the 1760s the French women disguised herself as a man. She hide her true identity to accompany her lover, Bach Philibert Commerson on the first friendship to sail around the world. At t

发表于:2018-12-24 / 阅读(159) / 评论(0) 分类 Scientific American(一)月

This is Scientific American 60-second science.I'm Innmi Craft.Got a minute? Here's one way bites my get there next meal by ease dropping on flies having sex.That's eat a lot of seemingly undetectable flies.To find out how the winged memers find the i

发表于:2018-12-24 / 阅读(141) / 评论(0) 分类 Scientific American(七)月

Now its time for Words and Their Stories, a program from VOA Learning English. On this program, we explore common words and expressions in American English. Sometimes we tell you their origins, but we always teach you how to use the words in conversa

发表于:2019-01-03 / 阅读(128) / 评论(0) 分类 2017年VOA慢速英语(九)月

When they wheel you into the operating room, climate change is probably the last thing on your mind. But maybe it should be on your anesthesiologist's mind. Because the gases used to knock you out contribute to global warming. Researchers, including

发表于:2019-01-08 / 阅读(168) / 评论(0) 分类 Scientific American(十二)月

Ever wander through a supermarket and past the open refrigerated cases that house cream cheese, butter and OJ? The refrigerated shelves are protected by jets of air that blow across the front. These jets form an air shield to keep the warm air out. T

发表于:2019-01-08 / 阅读(173) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? One way advertisers convince us to buy something is to remind us that we've enjoyed their product before. But unfortunately, we can have fond memories of a pro

发表于:2019-01-08 / 阅读(147) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? At the recent Lindau Nobel Laureate Meeting, 2009 chemistry laureate Thomas Steitz recalled that at one institution in the 60s, he saw how informal scientific collaborat

发表于:2019-01-08 / 阅读(157) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? During the 2008 presidential election, the Internet became a giant rumor mill. For example, there were the viral e-mails claiming Barack Obama's birth certific

发表于:2019-01-08 / 阅读(165) / 评论(0) 分类 Scientific American(三)月

yeah,you'd better talk about this thing.Now now now look hero be you.You can give a little pity pig let them out three senses to a wood calls like underprevely children drug.I was reading here just other day when the some were like ball hundred meeti

发表于:2019-01-08 / 阅读(151) / 评论(0) 分类 Scientific American(七)月

This is Scientific American 60 Second Science, I am Steve Mirsky, got a minute? Thirty percent of the teachers around the country teaching physics either dont have a degree in physics or dont have a minor in physics. Philip DiStefano, chancellor of t

发表于:2019-01-08 / 阅读(148) / 评论(0) 分类 Scientific American(四)月

This is Scientific American 60 Second Science, I'm Steve Mursky, Got a minute? The average price for a gallon of gas in the U.S. today was nearly $3.78 per gallon. But why do we calculate fuel expenditure in dollars per gallon? Wouldnt a more realist

发表于:2019-01-08 / 阅读(141) / 评论(0) 分类 Scientific American(三)月

Some dinosaurs were really huge, and now we may have a better way to estimate just how heavy these giants were. Researchers have developed a method to weigh dinosaurs based on laser scans of their skeletons. The study is in the journal Biology Letter

发表于:2019-01-08 / 阅读(161) / 评论(0) 分类 Scientific American(六)月

This is Scientific American 60 Second Science, I'm Steve Mirsky, got a minute? Tens of millions of sharks are killed for their fins each year. It's not just a tragic abuse of the animals, It's bad business. They're basically swimming dollar signs, wh

发表于:2019-01-08 / 阅读(166) / 评论(0) 分类 Scientific American(三)月
学英语单词
a moment of weakness
adjudication
after mature
aircraft detection lidar
albuminization
Andronicus I Comnenus
anomalous structure
arszani
astringent bitters
auxiliary activity
aysel
band-gala
be sb's man
berbericinine
bone-length
capitalization of tax
collonado
compensation for land improvements
compt
computer-aided quality control
conservative policy
constrained amorphous phase
core joint flash
cross beat
decrease of marginal returns of land
detalles
disparse
dry-snow avalanche
electrically-driven valve
fluid lubricated bearing
focus plate
fruit syrups
glancingly
Glencoul, Loch
gowt
grade of freshness
grammaticizations
gypsid
homocystine
I don't eat meat
industry practice
intermodulation distortion
isodemographic
Iwade
J. A. F.
Kefadim
knavinge
lemongrass oil
level-triggered interrupt
likabler
low temperature dyeing
low-competence buyers
Lycianthes
maizl
maltzan
management of oak trees
mandrelling
Melita
meshblocks
Mikladalur
mitochondria dna
Mstizh
nanounit
nomina gentilicia
numeric field data item
oblique head
ominating
operational state
orientomycin
periophthalmia
petrosphenoid ligaments
PETT scan
pipe and tube mill
Porphyridium
preparative treatment
product integral
propiedades
PSEUDOPETALICHTHYIDA
Purekh
salix arcticas
scathes
Self-Strengthening Movement
semiconductor valve device
sexines
siphonochalynol
skewnesses
square shaft
statistical seismology
step-up authentication
stopsel
strategic nuclear force
surf-bum
systemic mastocytosis
ticka
toggleaction
trypsinolysis
twiche
unwooling
valengongite
valve-seat bore
visual-infrared-plane-parallel dichroic mirror
yield from felling