旋声性

发表于:2018-12-11 / 阅读(148) / 评论(0) 分类 VOA标准英语2014年(三月)

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(119) / 评论(0) 分类 Scientific American(十)月

This is Scientific America's Sixty-Second-Science. I am Steve Mirsky. Got a minute? Some interesting electrical activity in the clouds of ash drifting around Europe as a result of that Icelandic volcano. Models predicted that electrical charge should

发表于:2018-12-24 / 阅读(122) / 评论(0) 分类 Scientific American(五)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(140) / 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(133) / 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(162) / 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(190) / 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(157) / 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(195) / 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(135) / 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(140) / 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(181) / 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(122) / 评论(0) 分类 Scientific American(八)月

This is the VOA Special English Health Report. How active you are early in life may affect how able-minded you are late in life. That was the finding of a new study of cognitive impairment, or a loss in mental abilities. The study involved more than

发表于:2019-01-11 / 阅读(147) / 评论(0) 分类 2010年VOA慢速英语(七)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(147) / 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(120) / 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(157) / 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(147) / 评论(0) 分类 2016CRI中国国际广播电台

BEIJING, March 29 (Xinhua) -- Chinese President Xi Jinping on Wednesday stressed the importance of afforestation and urged people, especially the young, to understand and protect nature via tree planting activities. Chinese PresidentXi Jinpingtalks w

发表于:2019-02-05 / 阅读(160) / 评论(0) 分类 cctv9英语新闻2017年

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(170) / 评论(0) 分类 实用英语
学英语单词
antelope chipmunks
antiageist
automatic routing
balasz
birs
cathedral
charging capacitor
chat
checkandbalance
chopping jump
cobalt(ii) titanium oxide
command line interpreter
composite bearing
consultively
dame's-violet
daytime hours
DBaaS
deforciator
diffusiophoresis
dihydroisoxazole
dilthey
dioptrometer
dot encapsulation
double-mirror device
dumortiera hirsute n. et e.
elasticity of exchange
eloise
equal angle projection
error of nonresponse
exits
fash one's thumb about
fault secure
Figuristian
fistula anal congenita
frozen mercury process
FTP service
Galilean viewfinder
gear drive
genus Khaya
Gilching
glucosan derivative
glucose-1-phosphate
glucosyl transferase
Godφysund
gosau limestone
Han-yang
have difficulty doing something
hire labo(u)r rate
impersonal subjects
indogged
isotope capsule
jib winch inner bushing
last month
logical processing of data
luchs ham
meaninglessnesses
medial orbital margin
Mengzi
minimum quadrant elevation
multi lateral
navigal
newspaper columnist
oilwell performance
overseas business
paperwhites
partness
pitch reference cylinder
poked
pollutant,contaminant
prenatal care
quadruple riveted joint
Quimome
recognisability
regional metamorphic deposit
replay attacks
runty
sawlog
ser-
shrapnels
silver marking of glaze
slow chamber
soriya
Sphagnaceae
spherically symmetric flow
store load
straight side high speed precision press
sulfourea
tape transport locking catch
teetering rotor
Tersef
third-hand smoke
tobacco yellow spotted streak virus(hidaka et tomarn)
twin cam
two-stage pilot valve
ultra sonic depth finder
unadroitly
ushership
visual simulation
wesselsbron disease
will I , nill I
Zadawa
zygodactylous