隔声[降声]因数,隔声量

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(160) / 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(155) / 评论(0) 分类 Scientific American(五)月

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(206) / 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(172) / 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(209) / 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(145) / 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(157) / 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(207) / 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(138) / 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(166) / 评论(0) 分类 2015年VOA慢速英语(九)月

白领英语晨读-131 Reduction of Your Tension 减轻压力

发表于:2019-01-17 / 阅读(165) / 评论(0) 分类 白领英语晨读

(一)a is n times as small (light,slow,)as b. a is n times smaller (lighter, slower,) than b. 以上两句均应译为:a的大小(重量,速度,)是b的1/n[或a比b小(轻,慢,)(n-1)/n]. e.g. The hydrogen atom is near1y l6 times as

发表于:2019-01-17 / 阅读(146) / 评论(0) 分类 英语口译

英语中表示倍数减少的表达方法(一)a is n times as small (light,slow,)as b. a is n times smaller (lighter, slower,) than b. 以上两句均应译为:a的大小(重量,速度,)是b的1/n[或a比b小(轻,慢,)(n-1)/n]. e.g

发表于:2019-01-17 / 阅读(156) / 评论(0) 分类 英语口译

WASHINGTON President Barack Obama met with the U.S. Congress top Republican, House of Representatives Speaker John Boehner on Sunday in search of a deficit-reduction package that would prevent substantial spending cuts and tax increases from going in

发表于:2019-01-19 / 阅读(169) / 评论(0) 分类 英语新闻

BEIJING, July 25 (Xinhua) -- The Chinese government said Wednesday that it will expand the pilot reform of replacing turnover tax with value-added tax (VAT) to 10 more provinces and cities from August 1 this year as part of the country's efforts in s

发表于:2019-01-19 / 阅读(163) / 评论(0) 分类 英语新闻

今天我们要学的词是WOW factor。 A WOW factor, 指让人惊叹的东西。经济不景气,也影响到了玩具行业。从二月中旬开幕的美国国际玩具展可以看出, In 2009, there will still be toys with the WOW factor, but

发表于:2019-01-30 / 阅读(175) / 评论(0) 分类 英语单词荟萃

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(180) / 评论(0) 分类 实用英语

Obama calls for debt reduction in balanced manner WASHINGTON, Nov. 9 (Xinhua) -- The United States should cut its mounting public debt in a balanced manner with a plan including both government spending cuts and revenue increases, U.S. President Bara

发表于:2019-02-07 / 阅读(148) / 评论(0) 分类 英语新闻

Now for more analysis, let's bring in Tang Min, Counsellor at the State Council, and our senior reporter Xu Zhaoqun. Welcome, both of you, to our discussion. Q1: Let me start with you Xu Zhaoqun. You've been to a lot of villages in poor regions, and

发表于:2019-02-18 / 阅读(163) / 评论(0) 分类 cctv9英语新闻2016年

Jo: This is Real English from BBC Learning English. Im Jo. Jean: And Im Jean. Jo: Today were going to look at words and phrases that have recently become part of the English language. Jean: 在我们的《地道英语》节目当中,我们会带领大家一起来学习和熟

发表于:2019-02-26 / 阅读(451) / 评论(0) 分类 地道英语在线听
学英语单词
adrenocorticotrophin (ACTH)
aircraft computers
airfa
American depository receipt
ammonium antimonyl tartrate
anionic polyelectrolyte
apposition beach
asfas
auditee
average outgoing quality limit
baleen record method
biosamples
boat fall block
Bower-Barff
BVDT
cache line
car tracking
casearia glomerata roxb.
chaplygin's transformation
circulen
compound expansion steam engine
consultant fee
cristicole
czaristic
cziffras
Djerid, Chott
donutlike
ECTFT
epoxy plastic
feature fatigue
flutterable
foam dyeing
free-air effect
germ ring
glow-discharge current
glycerin value
goal-seekings
gravitational fields
high-power ultrasensitive radar
insidiary
Ipomoea coccinea
job-creation
karpins
Kent Bridge
klystron
Kodumuru
labour absorption
Lampridae
large vessel
laughathon
lee way
marteks
monolines
multi-parametric process
neurosprora sitophila
Nizhniy Mamon
nonhardening
North Canara
nuclear design criterion
occipital branch
Open Vault
overwent
owner's capital
paria
petrolisthes pubescens
picturs
pipestapple
potamogeton
rave
reharmonized
revetment bulkhead
Roussillon, Plaine du
rue the day
sagrillo
shaft line efficiency
skew line
smartbot
soleula taiwanensis
source iteration method
spyridia filamentosa
start-up groan
stay in beijing
strappado
stt yarn
sun-shading
tabular difference
Takoradi
tardious
telephone rates
Terapon
The Pill
throat drops
ticker-tape machine
triisopropanolamine
tropical draft
unbreakable
underground facility arrangement
verbeek
wayfarers
Witold Gombrowicz
woodsia alpina gray
xga