电阻传感器

Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod

发表于:2018-12-07 / 阅读(155) / 评论(0) 分类 (科普英语)Earth and Sky

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(146) / 评论(0) 分类 VOA标准英语2015年(十二月)

Amid all the tradition and history of Katmandu, a profound change is in the air. In fact, it might literally clear the air, reducing the choking pollution which has blighted this congested valley. The streets of the capital are gradually being taken

发表于:2018-12-11 / 阅读(148) / 评论(0) 分类 万花筒2008年

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Real-time information about whats happening in our bodies at the cellular level could be crucial for fighting cancer and other life-threatening conditi

发表于:2018-12-24 / 阅读(151) / 评论(0) 分类 Scientific American(十二)月

One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. They're incredibly sensitive. They beat any of the synthetic counterparts, even the most expensive semicond

发表于:2018-12-24 / 阅读(142) / 评论(0) 分类 2017年Scientific American(二)月

A ban on electric bicycles in New York City is hurting delivery workers who depend on them to earn a living. Many of the workers are immigrants. Electric bicycles, or e-bikes, have foot-powered pedals like other bicycles. But they also have electric-

发表于:2019-01-03 / 阅读(228) / 评论(0) 分类 2018年VOA慢速英语(二)月

1387 、 电木 Bakelite 1388 、 电玉;醛树脂 ureaformaldehyde(UF) 1389 、 电池 cell 1390 、 电池组 battery 1391 、 电位;电势 electricpotential 1392 、 电位计 potentiometer 13

发表于:2019-01-03 / 阅读(131) / 评论(0) 分类 英文名句短语

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(197) / 评论(0) 分类 VOA标准英语2008年(九月)

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(135) / 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(177) / 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(163) / 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(146) / 评论(0) 分类 2016年NPR美国国家公共电台10月

A Letter to my Future Self写给未来自己的一封信In 1994 I wrote a letter. I stuck it in an envelope, put it away and completely forgot about it. 1994年我写了一封信,我把它装进信封收起来,就完全忘记了。 It wasnt until

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

EcoVelocity is an outdoor car show with a difference. This eco-conscious motor show celebrates all things green. High-performance vehicles at this year's EcoVelocity show in London prove that electric vehicles can look great and deliver blisteringand

发表于:2019-01-19 / 阅读(123) / 评论(0) 分类 世界各地新闻集锦

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(203) / 评论(0) 分类 2015CRI中国国际广播电台

Automakers are rolling out their new electric vehicles at the 2018 Beijing Motor Show, the motor industry's biggest sales event this year. Carmakers expect new growth in China's market despite the looming threat of a trade war between China and the U

发表于:2019-01-19 / 阅读(187) / 评论(0) 分类 2018CRI中国国际广播电台

BEIJING, Sept. 6 (Xinhuanet) -- Scientists from Tufts University of the U.S. have created the world's smallest electrical motor in a single molecule. The finding was published in the journal Nature Nanotechnology on Monday. In the research, scientist

发表于:2019-01-30 / 阅读(170) / 评论(0) 分类 英语新闻

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(163) / 评论(0) 分类 2007年VOA标准英语(一月)

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(130) / 评论(0) 分类 好听的英文歌曲

As the old saying goes, necessity is the mother of invention. A tragic event in India the gang rape of a young woman led engineering students to develop a bra that can deliver a 3800kv electric shock to any would-be attacker. Manisha Mohan, from the

发表于:2019-02-21 / 阅读(113) / 评论(0) 分类 英语听力精选进阶版
学英语单词
6-amino-NAD
acute rejection
Age of Reason
Amankaragaj
ammonium nitrate satchel charge
antirhetorical
architectural salvage
Arrhenius theory
background noises
bakunins
balquhidders
banana skin
beast tale
Berger wave
beyond self-interest
blood-oxygen level dependent (bold) signal
bornology
Castlewellan
Chromax
cinperene
club-level
cool feeling
count on
cpki
Cremanthodium pinnatisectum
critically ill patients
deubiquitinating
doomeranger
drac-
drive belt adjuster
dryness evil
duck derby
ecological agricultural model
equipotentiality hypothesis
Estynox
fan edit
fat arrow
fernery
gmow
go figure.
gonospore
gryphaea
have not a dry thread on someone
heating surface area
hectomoles
hoggish
Hollebeke
hot-water bag
impasture
implicit theory of personality
kiss plate
leavitts
lecanora amicalis
margo ciliaris
meat and bone meal
microcircuit technique
MIPE
mixed policy
miyakea nepa
Mousterian
multistaged turbine
nationalized export
nearest neighbo(u)r method
newcasting
no sale
Ochsner's muscle
opium dens
parting surface
phrenicosplenic ligament
phyllosticta phaseolorum
pressure balance chamber
prooving
pseudoexfoliation
push-button
rated metering accuracy
resilence
revigorated
Sea of Marmora
self-presentational
semi-prime ring
Sjenica
spina ossis sphenoidalis
spinosyns
starvations
stochastic context-free grammar
stroke weight
stupid fresh
styrax liquidus
swellness
tactoid
tashkents
the minister of finance
tin sheet
toner
tunica muscularis (pharyngis)
two-out
unsaturated standard cell
uranics
Vysokovsk
Weisman's test
wlogs
woman haters