谐和衰减

LULU GARCIA-NAVARRO, HOST: More people around the world are traveling for vacation and for business, but fewer are coming to the United States. New data released by the U.S. Travel Association shows that in the first seven months of 2017, there's bee

发表于:2018-12-17 / 阅读(56) / 评论(0) 分类 2018年NPR美国国家公共电台1月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Why do some chords sound sweet but others make you wince? Well it appears our earsor at least the ears of 250 Minnesota undergradsprefer chords containing harm

发表于:2018-12-24 / 阅读(109) / 评论(0) 分类 Scientific American(五)月

Students who listened to different chords rated as more pleasing the ones that westerners think of as harmonious, the individual notes of which have definite mathematical relationships 【英文文本】 Why do some chords sound sweet but others make

发表于:2019-01-02 / 阅读(98) / 评论(0) 分类 60秒科学

By David McAlary Ocean animals in parts of Antarctica are facing a food shortage. A new British study finds that a staple of the marine wildlife diet, tiny shrimp-like creatures called krill, has dram

发表于:2019-01-03 / 阅读(91) / 评论(0) 分类 VOA2004(下)--健康科技

By Jeffrey Young Americans crossing borders groan in dismay as they exchange their dollars for less and less in other currencies. Holidays in Europe, for instance, that once seemed reasonably priced h

发表于:2019-01-03 / 阅读(107) / 评论(0) 分类 VOA2004(下)--世界经济

By Deborah Block Baghdad 20 January 2008 A suicide bombing killed six people in Iraq's western Anbar province, but a prominent sheikh who was the target of the attack was not hurt. The U.S. military says roadside bombs linked to Iran have declined re

发表于:2019-01-13 / 阅读(71) / 评论(0) 分类 VOA标准英语2008年(一月)

Air Pollution Linked to Cognitive Decline Several years ago a massive survey of women called the Nurses' Health Study began collecting data on memory, thinking skills and other cognitive measures. Jennifer Weuve of the Rush Institute of Healthy Aging

发表于:2019-01-14 / 阅读(98) / 评论(0) 分类 VOA标准英语2012年(二月)

EU Hopes Pesticide Ban Will Halt Bee Decline The targeted farm chemicals, which will be banned for two years starting this December 1, belong to a class of insecticides called neonicotinoids. They are a type of insect nerve agent that has been widely

发表于:2019-01-14 / 阅读(108) / 评论(0) 分类 VOA标准英语2013年(五月)

1. I see. 我明白了。 2. I quit! 我不干了! 3. Let go! 放手! 4. Me too. 我也是。 5. My god! 天哪! 6. No way! 不行! 7. Come on. 来吧(赶快)8. Hold on. 等一等。 9. I agree. 我同意。 10. Not bad. 还不错。 11. Not yet. 还没

发表于:2019-01-15 / 阅读(73) / 评论(0) 分类 英语口译

By Melinda Smith Washington 16 November 2007 For at least three decades, Americans have been encouraged to put down their cigarettes and quit the habit -- for at least one day [November 15th]. The Great American Smoke Out, as the day is called, is de

发表于:2019-01-25 / 阅读(55) / 评论(0) 分类 VOA常速英语2007年(十一月)

Volatile trading on U.S. financial markets ended in losses on Wall Street, after President George Bush signed a massive rescue plan for U.S. economy. From Washington, VOA's Kent Klein has more on that and Friday's other economic developments. Trader

发表于:2019-02-05 / 阅读(73) / 评论(0) 分类 VOA标准英语2008年(十月)

By Nathan King New York 03 January 2008 The value of the U.S. dollar has dropped about 20 percent against a basket of major currencies in the last five years. This decline has been especially tough for immigrants who work in the United States and sen

发表于:2019-02-05 / 阅读(75) / 评论(0) 分类 VOA标准英语2008年(一月)

By Paula Wolfson Washington 11 December 2007 A new study shows American teenagers are getting the message about the dangers of illegal drugs. VOA's Paula Wolfson reports the government-funded survey shows a significant overall decline in illicit drug

发表于:2019-02-05 / 阅读(74) / 评论(0) 分类 VOA常速英语2007年(十二月)

By Jim Fry Washington 21 August 2007 Opinion polls in the United States show the public's approval of President Bush's performance is approaching a historic low for any modern president. The polls also show a decline in the public's embrace of the co

发表于:2019-02-05 / 阅读(106) / 评论(0) 分类 2007年VOA标准英语(八月)

Vocalist Catherine Russell is always searching for that next great melody. She's found more than a dozen of them to sing on her latest album, Inside This Heart Of Mine. Catherine Russell is a perfectionist when it comes to choosing her material. Her

发表于:2019-02-06 / 阅读(94) / 评论(0) 分类 VOA标准英语2010年(六)月

By 2050, small fish could dominate(控制支配) the oceans because of the rapid decline of larger, predator fish. In a new report, the U.N. Food and Agriculture Organization finds that one-third of the worlds fisheries are overexploited, depleted or

发表于:2019-02-08 / 阅读(114) / 评论(0) 分类 英语新闻

今天我们要学的词是decline。 Decline, 拒绝。 The company declined to offer any specifics about its layoff plan, 这家公司拒绝透露裁员计划的有关细节。 The source declined to be identified because of the sensitive nature of

发表于:2019-02-16 / 阅读(57) / 评论(0) 分类 英语每日一词

今天我们要学的词是decline。 Decline, 拒绝。 The company declined to offer any specifics about its layoff plan, 这家公司拒绝透露裁员计划的有关细节。 The source declined to be identified because of the sensitive nature of

发表于:2019-02-18 / 阅读(72) / 评论(0) 分类 英语单词荟萃

Hong Kong's retail sector has shown signs of recovery for the second month, as the decline eased to 7.5 per cent in April from 9.8 percent a month earlier. But this is the 14th month in a row that retail sales have declined, the longest contraction p

发表于:2019-02-21 / 阅读(98) / 评论(0) 分类 2016CRI中国国际广播电台

1. I see. 我明白了。 2. I quit! 我不干了! 3. Let go! 放手! 4. Me too. 我也是。 5. My god! 天哪! 6. No way! 不行! 7. Come on. 来吧(赶快) 8. Hold on. 等一等。 9. I agree。 我同意。 10. Not bad. 还不错。 11. Not yet. 还

发表于:2019-02-25 / 阅读(81) / 评论(0) 分类 实用英语
学英语单词
a bit of a lad
a. lienalis
Actéon, Groupe
aeschynite
alimak sift
antiforeigner
arthritis derormans juvenilis
Ashuapmuchuan R.
atmospheric control
attack aircrafts
Barbe.
bargain money
base charge
bilge discharge pipe
BKLD
blastocelis
boxhole
capture probability
car-tax
cartage port
ceramic source
check scratcher
Cheever, John
chevron structure
chukrasins
combustion temperature
congenital baldness
conventional mandrel
cousins-german
detour road
educible
encumbrancers
epistomium
fenestral structure
filament bundling protein
fiole
Fort Victoria
functionally
genuine solution
genus Lagodon
geosynchronous meteorological satellite
glucoaloe-emodin
greeble
Halowe Thursdaye
high bars
honyocks
hornwracks
inertia ellipsoid
itea chinensis var. oblonga(hand-mazz.) hu
lexical databases
ligamenta talofibulare anterius
line throwing gun
lxxes
mandls
Medex
melting speed
Microvermiculite
misframe
Muang Khao
neutral wines
non-current carry part
oxyphilic cell of hypophysis
phraseme
phthalein
Piddletrenthide
platinum blonds
politiquely
power spectral method
pressed the flesh
PV-S
reading circle
redox (reduction-oxidation)
risk of exposure
rock boot
selector marker
self baking electrode
self-powered hub
sesquidiplod
SH-Reagents
silent ischemia
sloshing baffle
snoble
sorbonist
sumyter
sunflower(-seed) oil
Sychëvka
tactical locality
tpe
Tres Matas
triole
typical alveolar abscess
undoability
union melt welding
uranics
vaginoperineorrhaphy
vascularate
VBP
vibrator feed
wall pass
wangfujing street
wherrymen
Zhmerynka