un. 声速实验台

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(183) / 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(219) / 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(203) / 评论(0) 分类 Scientific American(五)月

bench,n 法官席;长凳 【记】读:奔驰。一种宽体轿车,所以用的是长凳。法官特牛,一般都是做奔驰上班。 【类】rostrum:orator=bench:judge演讲者在演讲台上演讲=法官在法官席上审判

发表于:2018-12-30 / 阅读(184) / 评论(0) 分类 不择手段背单词

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(213) / 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(241) / 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(237) / 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(277) / 评论(0) 分类 60秒科学

TORONTO, Dec. 13 (Xinhua) -- The Toronto Raptors' bench scored a season-low seven points in a 107-96 loss to the Milwaukee Bucks in NBA action on Sunday afternoon. Coming into the game, the Toronto reserves were ranked eighth in the league, averaging

发表于:2019-01-07 / 阅读(224) / 评论(0) 分类 英语新闻

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(218) / 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(210) / 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(282) / 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(193) / 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(220) / 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(177) / 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(219) / 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(213) / 评论(0) 分类 2016CRI中国国际广播电台

MADRID, Jan. 3 (Xinhua) -- Real Madrid defender Sergio Ramos admitted Thursday that he was disappointed at the way his side's season has developed. Ramos is the third Madrid player to give a press conference in three days, after almost five months of

发表于:2019-02-05 / 阅读(213) / 评论(0) 分类 英语新闻

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(243) / 评论(0) 分类 实用英语

As a decrepit father takes delight To see his active child do deeds of youth, 正像阳精痿顿的父亲喜欢观看年轻气盛的孩子演示风流韵事, So I, made lame by fortune's dearest spite, 我虽曾蒙受命运最大的摧残, Take a

发表于:2019-02-24 / 阅读(290) / 评论(0) 分类 莎士比亚十四行诗全集
学英语单词
acid-base equilibriums
adiabaticities
alien enemies act
Alocasia macrorrhizos
Alstonia yonnanensis
annual loss
argininosuccinate aciduria
asymmetric mineralization belt
bale carrier
bomb fuze
brush beater
central processing unit(cpu)
cervical aural sinus
Ch'elenk'o
chestnut oaks
columniform
constructive basin
cuspiest
darst
demeanure
diamagnetic body
dilaurylthiodipropionate
Disket
donenberg
experimental stuff
family balanidaes
fawcettidine
five card stud
foreign incursion
foreign patent
fucol
gandalves
hard-topped highway
horizontal sampling factor
housing plate
hyperbola logarithm
hypothalamo-hypophysial
insider trader
instrumentation buoy
intendancies
interspersed question
isotropic directivity
ivan turgenevs
LECHRIODONTA
longitudinal-view
lubricating can
marchese copper process
massaro
mating plate
micronemadus pusillimus
microvascular anastomosis
misregulating
murtaza
N-dimethylamino-3-propyl-N-ethyl-carbodimide
negative feed back
neo-Lamarckist
neorealism
nick bending test
oligonucleotide-directed mutagenesis
outorganize
pennantite
physical destructive effect
pluvial
precentral line
professorling
quadridentate
quasi international goods
quasineutrons
queue element
real time filter
redistribution current
reentrant rhythm
rehewing
Savu Basin
Saweba, Tg.
scrollings
senso
sex center
shift eyes
skinnies
smack of
snapback timing
social classification
solar protuberance
star fruit
startpoint
stork
Sungaibatu
take up the threads
temperature drop
thermo compression bonding
think back
tricleocarpa fragilis
turner with wooden grip
tympanize
uninseminated
unrid
unstable resonator
v-1s
variable-speed winch
Warangal Division
wing its flight