[木] 木材声学性质

AMERICAN STORIES - The Gatewood Caper By Dashiell Hammett Broadcast: Saturday, August 06, 2005 该篇广播稿还未有正式版本,欢迎大家积极参与听写,然后相互修正,以得到与原

发表于:2018-11-27 / 阅读(363) / 评论(0) 分类 American Stories

Howmuchwoodwouldawoodchuckchuck ifawoodchuckcouldchuckwood? itwouldchuckasmuchwoodaswoodchuckcould,ifawoodchuckcouldchuckwood. Howmuchwoodwouldawoodchuckchuck ifawoodchuckcouldchuckwood? itwouldchuckasmuchwoodaswoodchuckcould,ifawoodchuckcouldchuckwo

发表于:2018-12-14 / 阅读(98) / 评论(0) 分类 Wee Sing In The Car

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(91) / 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(96) / 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(98) / 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(127) / 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(143) / 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(123) / 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(149) / 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(97) / 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(105) / 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(105) / 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(82) / 评论(0) 分类 Scientific American(八)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.

发表于:2019-01-08 / 阅读(147) / 评论(0) 分类 Scientific American(十)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(106) / 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(88) / 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(119) / 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(107) / 评论(0) 分类 2016CRI中国国际广播电台

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(135) / 评论(0) 分类 实用英语

The Labour Party said today that if elected in November, they would bring in a Capital Gains Tax CGT on profits from selling property. For many years now, house prices have been increasing fast. If a landlord buys a house for $200,000 then sells it f

发表于:2019-02-25 / 阅读(96) / 评论(0) 分类 新西兰英语
学英语单词
adjustment method
Afifi cotton
against all chances
airway surveillance radar
ambiguating
Basolest
Bedřichov
beyette
bighorn-river
board of directors
charter a carrying vessel
coefficient of wave diffraction
complication experiment
contra legem
corn dollies
corylphaena hippurus
current overhead percentage
customer engineering
decorative
deductive reasonings
Do in Rome as the Romans do.
drum-shaped column base
dyed gelatin filter
Ellipsoidina
employ about
end-of-message character
enteroptychy
epanastrophe
extrafine fit
fasciculus garcilis
final value of annuity
finishing varnish
flush-left
fouled resin
four-seater
Gadzema
genus Ophrys
gone out of
group matrix
gymnocarpic
host-resident module
impersistence
Investor Education Advisory Committee
iron-hematoxylin stain
Jonas Edward Salk
khusone
labiate ladle
Larantuka
loss order
lupinoides
magnoliaceous
Mangoag
mckale
metamatrix
microdensitometer
million
misdeclarations
mixture additivity
monostatic sonar
Nitrate-N
nonprojectile
nucleation
oligomerization
olympic hymn
original commitment
palm-kernel
photographic sound recorder
platinum sodium chlorate
Politzer's luminous cone
powdered carbon
preamp (preamplifier)
prison labor
proppants
punch-through junction
reinforcement corrosion
rigging angle
saturation factor
sideline production
significant gesture
smock
sooty bark
spilehole
St-Romain-sous-Versigny
stack effect
staple-fibre cutting machine
subquality product
Sülüklü
Tetrastigma jinghongense
token passing network
Tompkins
traumatogenic
unwieldable
vertical electric-driven reciprocating pump
vetigastropod
Vilarandelo
weak MSE test
weighted-bit code
wet ventilator
Wood 's light
wool-like fiber
yellowbelly marmot