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(100) / 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(730) / 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(148) / 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(139) / 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(101) / 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(150) / 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(113) / 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(156) / 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(96) / 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(140) / 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(119) / 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(114) / 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(103) / 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(164) / 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(86) / 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(900) / 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(126) / 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(154) / 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(107) / 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(99) / 评论(0) 分类 好听的英文歌曲
学英语单词
allonges
amalgam decomposer
analog ground
analytic singular support
aphilanthropy
atypical response
bacteriophage arm
bankstown
batarde wool
bear coals
blocking mode pilot protection
buccal arteries
Bulbophyllum shanicum
Bunyuka
business unionism
by fair means or foul
cargo oil thermal oil heating system
catamoutain
centrodorsal cavity
charisms
Corydalis foetida
criminologist
Dadapan, Tg.
deep-root
divaricable
dominiums
drug discovery
dual recognition
Dutch tilts
equivalent potential vorticity
evansvilles
factory legislation
fair-lead logging arch
ferropargasite
fricka fracka
genus lentinuss
go against the current
grits cutter
gym knickers
heat producing center
hierarchical prioritization scheme
HIMANTOLOPHIDAE
ice water treatment
IILC
individual leg jack-up drilling rig
installation at sea
inter company transactions
introspectionists
Investigative Consumer Report
kwaks
Late Permian Epoch
libidinal energies
light gage steel
locally-recruiteds
loosening of finger
make a lot of
meningomyelopathy
multi-unit-steerable antenna
nakedeye
nasofrontal suture
non-selecting ringing
nursery governess
olfactory analysis
optical bus power margin
optical damping
optical-networking
organic Geiger counter
oxyalkylation
partial condensation
picksy
plate bending rolls
prank calls
quasichemical
r-word
recessed wheel
regeneration by groups
resistless
rhodplumsite
rugrat
Ruther Glen
sel.
sexted
sheet molding compound (smc)
slow-reacting weapon
sounds out
South American cotton
stick check
survey mile
sutura zygomaticofrontalis
take a bus
take to the streets
talullah
tectonophysically
tilt-rotor
Triodanis biflora
tullibodies
ultra-secret
unmannered
Vaginospasm
vivavi
whoreship
Zhubei City