声导纳因数

In his younger days, Michael Oatman was educated on the streets and in bars and strip clubs. Now, the Ohio writer believes the education he's getting in college classrooms has opened doors to a better life. From NPR news, this is weekend edition. I'

发表于:2018-12-19 / 阅读(68) / 评论(0) 分类 2007年NPR美国国家公共电台

When Pablo Panda Sandoval made history with 3 home runs in game one of the world series his head was probably buzzing. But when batters in chilly Detroit had the ball not quite right in the next couple of the nets, it will be their hands that buzzing

发表于:2018-12-24 / 阅读(83) / 评论(0) 分类 Scientific American(十)月

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(84) / 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(84) / 评论(0) 分类 Scientific American(五)月

Scientists analyzed around 2,500 of those calls, and found that the second part (sound) is nearly identical in pitch every time from each whale: 16 hertz, or four octaves below middle C. And the slight variations in frequency that do exist are only a

发表于:2019-01-02 / 阅读(115) / 评论(0) 分类 60秒科学

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(133) / 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(113) / 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(132) / 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(89) / 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(94) / 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(86) / 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(69) / 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(93) / 评论(0) 分类 2015年VOA慢速英语(九)月

Boston Symphony Makes Music in Mountains When Serge Koussevitzy, the Russian-born conductor of the Boston Symphony Orchestra, opened Tanglewood in 1937, he chose an all-Beethoven program, including the Pastorale Symphony. When conductor Christoph von

发表于:2019-01-13 / 阅读(73) / 评论(0) 分类 VOA标准英语2012年(七月)

By Alisha Ryu Nairobi 18 November 2009 A U.S.-flagged container ship which was hijacked by Somali pirates seven months ago has been attacked again off the coast of Somalia. Pirates were unsuccessful in their second attempt to hijack the Maersk Alaba

发表于:2019-01-14 / 阅读(103) / 评论(0) 分类 VOA标准英语2009年(十一月)

【例二】 Department of Applied Physics Tsinghua University, 100084 Beijing, China Sept. 11th, 1999 RE: Applying for Admittance Office of Graduate Admissions Boston University Massachusetts, U.S.A.

发表于:2019-01-16 / 阅读(136) / 评论(0) 分类 考研英语

The Tiangong-2 space lab, though adopting the structure of Tiangong-1 without too many changes in appearance, has been designed to function much stronger than its predecessor. Zhu Congpeng, chief designer of the lab, says they've focused on a variety

发表于:2019-01-19 / 阅读(92) / 评论(0) 分类 2016CRI中国国际广播电台

今天我们要学的词是WOW factor。 A WOW factor, 指让人惊叹的东西。经济不景气,也影响到了玩具行业。从二月中旬开幕的美国国际玩具展可以看出, In 2009, there will still be toys with the WOW factor, but

发表于:2019-01-30 / 阅读(110) / 评论(0) 分类 英语单词荟萃

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(129) / 评论(0) 分类 实用英语

Jo: This is Real English from BBC Learning English. Im Jo. Jean: And Im Jean. Jo: Today were going to look at words and phrases that have recently become part of the English language. Jean: 在我们的《地道英语》节目当中,我们会带领大家一起来学习和熟

发表于:2019-02-26 / 阅读(361) / 评论(0) 分类 地道英语在线听
学英语单词
acme thread tap
Aeta
age benefit
Aglypha
ali-joe
American mucocutaneous leishmaniasis
Arquata
balloon financing
bare glass fibre
basilomental
Benlate T
bowrugie
bring ruin upon oneself
business-to-business advertising
cash-poor
caustic
chemical process automation
combined distribution frame
constant scanning
current action
cymbelines
dendrohydrologist
dinghead
durance (la durance riviere)
dynamic spatial reconstructor
elista
Epsom races
family chamaeleontidaes
ferroes
Fractal Image Format
full-zip
furaprofen
garrison belt
geo-cultural
geysered
gibor
golden brown sugar
Gouldian
Guadiana, B.de
hemolysates
Hotchin
hypophyseal sac
hypostatic pseudomorph
inertial coordinates
inspector morse
intervention targeting
Jodairol
LAL-43
magneto type
makahas
most-favo(u)red-nation duty
mufangchinB
narrow row sowing
narrow-pillar file
nasalized
Nieuwolda
nonpayment
nose cones
nucleo-cytoplasmic incomptibility
oferre
operations research
orphion
osteopontin
Package on Fire
peculiar velocities
perieardiectomy
phase portrait
premature antifascist
radian frequency
refuse incinerating ship
relative path
reprimate
resin bed
reverse image search
Saint Francis of Assisi
salmonellacidal
sawline
serial memorization
shops
silica minerals
Simonart bar
special publications
stability trial
staghound
stretcher cases
strut-arm angle
the frontiers of sth
thermal generator set
throwt
tie-over dressing
timber caisson
time code track detecting level
TKas
trapiche
tropical aurora
tuning fit
unprintable characters
uprighten
wet diazo copying
wonder flowers
wound callus