振动阻力[阻尼]

World Action Needed to Prevent Widespread Antibiotic Resistance Since the discovery of penicillin in 1928, we have used antibiotics against a host of infections. But now, doctors are finding that more and more bacteria are resistant to even the stron

发表于:2018-12-08 / 阅读(198) / 评论(0) 分类 VOA标准英语2015年(十二月)

Lesson 88 trap 陷入 Six men have been trapped in a mine for seventeen hours. 6个人被困在矿井里已有17个小时了。 They were trapped in cave. 他们被困在山洞里。 Due to the heavy snow,they were trapped in the house in the mountai

发表于:2018-12-08 / 阅读(844) / 评论(0) 分类 新概念英语词汇随身听手册2

San Francisco If you*re going to San Francisco, be sure to wear some flowers in your hair. If you*re going to San Francisco, you*re gonna meet some gentle people there. For those who come to San Franc

发表于:2018-12-14 / 阅读(257) / 评论(0) 分类 英文歌曲第四辑

Ever get a ringing in your ears after a loud blast of music on your iPod? Thats one example of the usually temporary condition called tinnitus, the sensation of sound even when no sound is being produced. But a new inventioncreated by high school stu

发表于:2018-12-24 / 阅读(220) / 评论(0) 分类 Scientific American(九)月

Today's podcast will be dedicated to the 'th'. English, being quite irregular at times, has two ways of pronouncing the combination of the t and the h. That may seem simple, but getting it right is a key to sounding like a native. I have met many peo

发表于:2019-01-01 / 阅读(174) / 评论(0) 分类 英语博客 A cup of English

The spokesman for the Lord's Resistance Army says Congolese forces and U.N. peacekeepers in Congo Kinshasa are preparing to move against the rebel group, which has yet to sign a peace deal to end a 20-year reign-of-terror in the region. VOA Correspo

发表于:2019-01-06 / 阅读(256) / 评论(0) 分类 VOA标准英语2008年(九月)

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. When we think about how to represent sound visually, most of us probably picture those volume-dependent sine waves. But thats not how John Stuart Reid

发表于:2019-01-08 / 阅读(213) / 评论(0) 分类 Scientific American(一)月

A Fish That 'Sings' Love Songs? This is the sound of a fish singing: Hmmmmmmmm. It is a male fish a plainfin midshipman, to be exact from the Pacific Ocean. He is singing, or humming, a love song to get female fish to come and visit the nest he built

发表于:2019-01-12 / 阅读(238) / 评论(0) 分类 2016年VOA慢速英语(十)月

Antibiotics Breed Drug Resistance in Pigs Pigs given low doses of antibiotics had more E. coli in their guts, and that bacteria showed an increased resistance to antibiotics, according to new research. The study confirms the routine practice of feedi

发表于:2019-01-13 / 阅读(186) / 评论(0) 分类 VOA标准英语2012年(一月)

Vidushi Sinha | Washington, DC 18 May 2010 The World Health Organization calls antibiotic resistance one of the three greatest threats to human health. Experts fear antibiotic resistance puts humans in danger of becoming nearly defenseless against so

发表于:2019-01-13 / 阅读(224) / 评论(0) 分类 VOA标准英语2010年(五)月

Kenya: Misuse of Antibiotics Leading to Resistance by Immune System NAIROBI In Kenya, the rise of drug resistant bacteria could reverse the gains made by medical science over diseases that were once treatable. Kenyans could be at risk of fatalities a

发表于:2019-01-14 / 阅读(207) / 评论(0) 分类 VOA标准英语2015年(一月)

As Assault On Mosul Looms, Resistance Grows And ISIS Grows More Brutal play pause stop mute unmute max volume 00:0003:43repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your

发表于:2019-01-17 / 阅读(193) / 评论(0) 分类 2016年NPR美国国家公共电台10月

And so on. There is a little bit of a difference there that is worth just thinking about. 等等...但即便是有些许的不同,那也值得仔细想一想。 And I remember when I was 12 years old,and I started playing tympani and percussion, an

发表于:2019-01-18 / 阅读(191) / 评论(0) 分类 TED演讲国际问题篇

Artemisinin, also known as QingHaoSu in Chinese, was discovered by Chinese scientist Tu Youyou. She received the 2015 Nobel Prize for Physiology and Medicine for the drug's discovery by her team more than three decades ago. In her speech at the Karol

发表于:2019-01-19 / 阅读(253) / 评论(0) 分类 2015CRI中国国际广播电台

We all know time is a construct, and right now, it's kept by the very precise tick of an international network of around 500 atomic clocks. 我们都知道时间是个复杂的概念。目前,世界上有一个由大约500台原子钟组成的网络,

发表于:2019-02-01 / 阅读(174) / 评论(0) 分类 阅读空间

1. Cyber Sickness 晕屏症 Also called digital motion sickness, symptoms that range from headaches to woozy feelings can occur when you quickly scroll on your smart phone or watch action-packed video on your screen. 这种病也被称为数字晕车,

发表于:2019-02-03 / 阅读(1061) / 评论(0) 分类 阅读空间

By David McAlary Washington 10 January 2007 One of the main weapons to prevent mother-to-child transmission of the AIDS virus during birth is the drug nevirapine. But when nevirapine is used alone just once, HIV starts becoming resistant to it. Rese

发表于:2019-02-04 / 阅读(215) / 评论(0) 分类 2007年VOA标准英语(一月)

Money Can't Buy It by Annie Lennox Money can't buy it... baby Sex can't buy it... baby Drugs can't buy it... baby You can't buy it... baby I believe that love alone might do these things for you I believe in love alone yeah yeah Take the power to set

发表于:2019-02-04 / 阅读(230) / 评论(0) 分类 好听的英文歌曲

Why Don't Snorers Wake Themselves Up? Anyone who's ever slept in the same room as a loud snorer knows how infuriating it is to have to suffer through all that noise while the offending party remains blissfully oblivious and asleep. Loud snorers can w

发表于:2019-02-04 / 阅读(181) / 评论(0) 分类 阅读空间

爱的反抗力 Muse - Resistance Resistance Muse Is your secret safe tonight? And are we out of sight? Or will our world come tumbling down? Will they find our hiding place? Is this our last embrace? Or will the walls start caving in? (It could be w

发表于:2019-02-05 / 阅读(187) / 评论(0) 分类 好听的英文歌曲
学英语单词
aircraft trainer
allcomers
allylbarbituric acid
architectural creation
binary-coded address
boniform
bowls of cherries
box mut
Brigitte Bardot
burro creek
carpoxidine
CBIZ
chemicalised
chloridates
circuit with distributed elements
date-stamping
deadly compound
demand forcast
dipaths
equivalence of fibre bundle
ethyl glycolate
family cottidaes
fanning mill shutter adjuster
fiber cable joint
finger cymbal
flutelike
gas quench system
ghostwhite
glomerular lipidosis
Gräfentonna
helical conveyor
hemorrhoid-dispersing injection fluid
Hexadecimal representation
high speed steel
horizontal dynamic balance method
invigorate the spleen to arrest diarrhea
Lasberg
Le fracture
leukoderma of vul
low-watt
lucchese
maximum flow rate
move your ass
narun
nectria theae hara
non-return damper
normal sigmoid curve
note row
oculometroscope
odontographies
oilmill
olisthe
outdrop
path of integration
pentagynous
phobo
phosphite ester
photo-refractive recording material
photoelectric absorption log
picoideous
precision inspection
prescriptive.
prostalia
reactor concept
reflecting signboard
reminted
reular
Rotary-Mini-Pack
rough tunnel
ruckus room
salivary cyst
sandalia rhodia
screeding
seismologic history
sighting slit
solid expansion
solution of nonhomogeneous equation
soulement
spaghetti diagram
starting notification code
stress optical constant
sulfuryls
tectrice
telegas
tilt mould billet
to-days
transaction processing facility
transcolpate
transformational cycle
transit phase angle
trophoblastic operculum
tropospheric scatter transmitter
ts.
twaddly
uniqueness of admissible estimator
utility services
vausing
white flowered gourd
wilc
windshield central post
yml
yorktown