惯性声抗

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(142) / 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(164) / 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(166) / 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(172) / 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(213) / 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(177) / 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(213) / 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(149) / 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(162) / 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(218) / 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(144) / 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(175) / 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(136) / 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(175) / 评论(0) 分类 VOA标准英语2009年(十一月)

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(166) / 评论(0) 分类 2016CRI中国国际广播电台

Ross Dunn The Palestinian leadership reacted strongly to statements by President Bush implying Israel has the right to retain some Jewish settlements in the West Bank . Senior Palestinian officials ar

发表于:2019-01-30 / 阅读(141) / 评论(0) 分类 VOA2004(上)--各类新闻

By Jim Randle Irbil 10 October 2007 Iraqis are reacting angrily to the shooting on Tuesday of two women in Baghdad by foreign security contractors, the second such shooting in the past month. VOA's Jim Randle reports from northern Iraq. Guards workin

发表于:2019-02-03 / 阅读(135) / 评论(0) 分类 2007年VOA常速英语(十月)

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(187) / 评论(0) 分类 实用英语

By Dan Robinson Washington 17 July 2007 Majority Democrats and opposition Republicans in the U.S. Congress focused on the fight against terrorism Tuesday as they debated the latest government report on the threat facing the country. As Dan Robinson r

发表于:2019-02-07 / 阅读(189) / 评论(0) 分类 2007年VOA标准英语(七月)

Both major U.S. presidential candidates and their running mates reacted Monday to the financial turmoil on Wall Street in the wake of the bankruptcy announcement from the investment bank Lehman Brothers. As VOA National correspondent Jim Malone repo

发表于:2019-02-11 / 阅读(143) / 评论(0) 分类 VOA标准英语2008年(九月)
学英语单词
afferent neurone
airquote
allee's effect
animal viruss
antiambush
Archaeocidaridae
associational learning
asthmatic
background-limited infrared photoconductor
bafflectomy
berberastine
Bienayme-Chebycheff inequality
biological module, biocapsule
block type boring cutter
boat anchor
budgetary amount
calibration protein
cargo-container ship
catalyst-to-oil ratio
cecutiency
cellular glass
centre bore
coccolithophore
concrete surface
countyr-
cubo cubic transformation
debt/equity ratio
decoder demultiplexer
deep water wave
degree of a divisor
Dopmin
edit function
electrotonic junction
esopian
eye bags
flying-spot film reader
forest science
gap-filing
genetic epistemology
graviportality
heiau
Hemipterygoid
ho bag
Holy Rollers
Illiciaceae
jiboney
Jin, Kep.
joint special operations area
jugglings
keystone species
lie before
limit path
local telegram
m-chlorophenol
measured distance mark
mendls
milliohms
minuate
neohaematopinus petauristae
obviator
Orbetello
partuiometer
pcior-Finkler spirillum
Pelton waterwheel
permittees
philomathic
phosphonothioate
pileus hippocralicus
plain turning
playche
power reverse
pyrrhotite peridotite
quasi-burglar
radiative mode
refinery process
route dampening
sado-masochisms
scalar data
schaeffer
second marriage
self-generateds
sheeting machine
slices through
smolders
statements of intent
stormdrum
supermarket information system
suppress the news
system resident volume
tamarixes
Tamiami Canal
telatinib
tetrahedron of reference
ticked over
travaux preparatoires
tse tse fly disease
u.a
us zinc
vincetoxicum hirsutums
Voerendaal
western-style
Worldwide Port System