[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(416) / 评论(0) 分类 American Stories

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

发表于:2018-12-14 / 阅读(133) / 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(119) / 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(137) / 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(132) / 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(157) / 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(187) / 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(155) / 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(191) / 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(133) / 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(139) / 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(176) / 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(119) / 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(216) / 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(141) / 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(118) / 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(155) / 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(143) / 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(167) / 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(138) / 评论(0) 分类 新西兰英语
学英语单词
abodements
application routine
automatic molding plant
bamboo shoots
bio-electronics
blabbing
blackmoor gate
butt-woman
change of occupation
Chenachane, Oued
chloro-carbon solvent
coercion operator
continuous casting-direct rolling
cooperation plan
cyclic headache
delta-bronze
determinizing
diode current capacity
disagreeable person
disk camera
disport
distot
djatiwangi (jatiwangi)
drill jambo
dry bulk carrier
dual sorption
early history
enclosed lamp unit
enge
ethyl chaulmoogroate
fine tuning
flux function
Gaultheria dumicola
gemmipore
gesto
Gregory XVI
hand throttle lever
hca
Heaviside-Lorentz unit
hemimetabola
In Amguel
index of price
interruptible state
isolated rat uterus assay
ittihad
kagool
kippaxes
levelers
made hamburger out of
major tranquilizer
make appearance
massic Gibbs free energy
McDonnel Douglas Aircraft Company
meristele
method of photometric interpolation
Middlewich
mindrup
mistake one's way
mixed deafness
molybdenum(iii) hydroxide
monashee
monoanesthesia
necrosadism
negative exponent
Ni-span (alloy)
nitrogenase activity
olefin series
operand call
packing department
parademe
pertusaria platycarpiza
physionomie
pole-mounted transformer
postembryonic period
primary visual cortex (v1)
Puerto Constanza
pulsation phase
purple clover
Pālpur
rami communicantes cum chorda tympani
risk-oriented audit
rotor resistance starting
run rate
semi-comic
sepedon
shear-failure
structured interview
tail-rope
take objection against
thinks
toe nail graft
topics
Toxicodendron capense
tractive force limit
tragelaphus imberbiss
two drum crab
uncreatedness
Uttarakuru
variable capacitance parametrom
Venae ciliares anteriores
weathercasts
woulff