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This is Scientific American's 60-second Science. I'm Steve Mirsky. Got a minute? Can you name those notes? Probably not. Perhaps one in ten thousand speakers of European languages has perfect pitch - the ability to recognize a note without having hea

发表于:2018-12-24 / 阅读(339) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-second Science. I'm Karen Hopkin. If you ever got picked on in the schoolyard, you might have wished for some sort of superpower, like unbeatable speed or maybe just the ability to completely disappear. Now scientists

发表于:2018-12-24 / 阅读(299) / 评论(0) 分类 Scientific American(五)月

Hybrid cars are good for the environment. But scientists say that they might be bad for pedestrians. Because hybrids are so quiet, it can be hard for walkers to hear them until its too late. Listen to this. [quiet car sound] Thats a Toyota Prius mov

发表于:2019-01-02 / 阅读(326) / 评论(0) 分类 60秒科学

Can you name those notes? Probably notperhaps one in 10,000 speakers of European languages has perfect pitch, the ability to recognize a note without having heard any reference note first. But theres a much better chance you could successfully name

发表于:2019-01-02 / 阅读(348) / 评论(0) 分类 60秒科学

If you ever got picked on in the schoolyard, you might have wished for some sort of superpower: like unbeatable speed or maybe just the ability to completely disappear. Now scientists at the College of Wooster in Ohio say that you might have had a s

发表于:2019-01-02 / 阅读(358) / 评论(0) 分类 60秒科学

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Every year, scores of manatees are killed by boats in Floridas waters. Their plight is an ecological concern. And everyone from marine biologists to Marg

发表于:2019-01-08 / 阅读(316) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-second Science. I'm Karen Hopkin. This will just take a minute. Hybrid cars are good for the environment, but scientists say that they might be bad for pedestrians. Because hybrids are so quiet that can be hard for wa

发表于:2019-01-08 / 阅读(296) / 评论(0) 分类 Scientific American(五)月

We humans are pretty good at communicating with sounds other than words. But how much of this is hard-wired, and how much do we pick up from others? To find out, researchers recorded the nonverbal sounds of people born deaf, as they responded to a ra

发表于:2019-01-08 / 阅读(377) / 评论(0) 分类 Scientific American(十一)月

Blue whales off the California coast make calls that, sped up 10 times, sound like (sound of two-part call). The original is a wall-rattling frequency too low for us to hear. Scientists analyzed around 2,500 of those calls, and found that the second

发表于:2019-01-08 / 阅读(273) / 评论(0) 分类 Scientific American(八)月

Country Music Ladies Put Men in Their Place American country music lyrics often describe women as they might appear in mens dreams. This is especially true of songs by many male artists. But the songs by Maddie Marlow and Tae Dye are different. The t

发表于:2019-01-12 / 阅读(317) / 评论(0) 分类 2015年VOA慢速英语(九)月

OPEC will cut its oil output by 1.5 million barrels a day starting in November, with chances of more cuts to come. But from Paris, Lisa Bryant reports the announcement was met by a further drop by financial markets. OPEC hopes that by cutting output

发表于:2019-01-13 / 阅读(324) / 评论(0) 分类 VOA标准英语2008年(十月)

OPEC Agrees to Reduce Oil Output Kerry Sheridan Oil prices edged higher Tuesday after ministers from the Organization of Petroleum Exporting Countries (OPEC) agreed to reduce output. OPEC ministers ha

发表于:2019-01-31 / 阅读(322) / 评论(0) 分类 VOA2004(上)--各类新闻

China's iron ore manufacturers say they're struggling to keep their businesses afloat because of high costs and taxes while production is on the rise for the sector's global giants. Brazil's Vale SA is the world's largest iron ore producer and it say

发表于:2019-02-03 / 阅读(358) / 评论(0) 分类 cctv9英语新闻2015年

BEIJING, Aug. 19 (Xinhua) -- China's steel output growth slowed in July and prices of steel products have continued to drop, according to data from the National Development and Reform Commission (NDRC). Crude steel production gained 4.2 percent year

发表于:2019-02-06 / 阅读(395) / 评论(0) 分类 英语新闻

An expert at the International Energy Agency says it may be many months before Libya's damaged oil industry can resume full production. The head of IEA's Oil Industry and Markets Division, David Fyfe, said Thursday there are many logistical, operatio

发表于:2019-02-06 / 阅读(308) / 评论(0) 分类 英语新闻

By Lisa Bryant Paris 01 February 2008 OPEC's 13 members, meeting in Vienna Friday, rejected calls by the United States to increase oil output. The oil cartel said supplies meet current demands. Lisa Bryant has more from Paris. Following talks in Vien

发表于:2019-02-06 / 阅读(313) / 评论(0) 分类 VOA常速英语2008年(二月)

BEIJING, Dec. 9 (Xinhua) -- China's industrial production growth continued to accelerate in November, indicating that the nation's economy is rebounding after seeing its lowest expansion pace in more than three years. China's value-added industrial o

发表于:2019-02-06 / 阅读(331) / 评论(0) 分类 英语新闻

China's industrial output growth accelerates in October BEIJING, Nov. 9 (Xinhua) -- Industrial production growth continued to accelerate in October, presenting evidence that China's economy is picking up steam after seeing its lowest growth rate in m

发表于:2019-02-06 / 阅读(301) / 评论(0) 分类 英语新闻

通知与确认 Acknowledgments Confirmations 通知对方接到来信Acknowledging receipt of letters1. Dear Mr/Ms,Thank you for your letter No. A-3 of 6th May, offeringus 6 UI-4 Viewdatas. We have passed it on to ourTechnical Department for their c

发表于:2019-02-06 / 阅读(347) / 评论(0) 分类 实用英语

China's autumn grain output to hit record high BEIJING, Oct. 19 (Xinhua) -- China's grain output this autumn is likely to hit a record high and bring a ninth year of consecutive growth in the annual output, an official with the Ministry of Agricultur

发表于:2019-02-08 / 阅读(551) / 评论(0) 分类 英语新闻
学英语单词
air film cooling
air freight activity
allelopathy among same plants
amylcaine
anti-anemia principle
antifoundationalism
ardent drink
axial force of rail
benzenestibonic acid
brdus
buffing-machine
bulb of percussion
Byarozawski
Cantate
chyron corporation
Cksum
cob-nut
compass lags
cookworthy
core product
cosine sweep
costie
crystal bundle
DCK
decapitated animal preparation
degenerative stabilizer
dma i/o operations
drosophilas
drove-road
dusan
dynamic ripple
easy-to-handle
ehromoplastidule
electric fork lift
electric solding iron
electrostatic unit of potential difference
environmental therapy
equatorial axis
evolucin
finifying
fishpole bamboos
foreign money order
gaillard-
general freight container
Gerson
gilb
godunovs
Granosan M
gratuition coinage
Haddamite
hallins
homogenous functions
International Association of Geodesy
inventory change
joint motion
key event
khomeinis
kitty cruise
latex concentrator
lomatias
mandatory planning
mechanical perfusion
MTM
multisegment mode
neuroblasts
non-directional microphone
overgone
paid holiday
pants pressers
partial epilepsy
pathophysiological mechanism
piston motor
Poitiers, Battle of
poker spine
prairie clovers
pratt's theory of isostasy
pseudo-random numbers generator
Puccinia dioscoreae
radiophonics
regression line for job and salaries
restabilises
roll back policy
rutgar
sensory neuron
shoelace tie
single-slot winding
soil suction
square harrow
subject-predicates
take out
television and radar navigation (teleran)
tetrode transistor
Thomson navel orange
to support
totally held subsidiary
Tricia
tropical lake
tyki
type specimens
universal property
vagrance
viscerosensory organs