[等离子] 双极电场

发表于:2018-11-27 / 阅读(548) / 评论(0) 分类 赖世雄教你学唱歌

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(105) / 评论(0) 分类 (科普英语)Earth and Sky

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(101) / 评论(0) 分类 万花筒2008年

Scientists: Spiders Use Electric Fields to Move through Air Scientists have long wondered how spiders can use the webbing they make to fly. The 19th century English naturalist Charles Darwin commented on their behavior when very small spiders landed

发表于:2018-12-16 / 阅读(96) / 评论(0) 分类 2018年VOA慢速英语(七)月

RACHEL MARTIN, HOST: We try not to obsess about this too much, but we really do get to work very early around here. We don't get a whole lot of sunlight, especially in the winter months. So when you look around the newsroom, you see these special lam

发表于:2018-12-17 / 阅读(98) / 评论(0) 分类 2017年NPR美国国家公共电台11月

Next, the U.S. Army is on a mission to recruit 80,000 new soldiers by next year. It's easier said than done. Many people don't meet the military's requirements to join. Weight, age, drug use, medical conditions, criminal records, they can all keep so

发表于:2018-12-20 / 阅读(99) / 评论(0) 分类 CNN美国有线新闻2017年12月

今天我们要学的词组是field。 Field多指空旷的地方。比如原野, 旷野, 还有油田 - oil field, 战场 - battlefield,等等。作为动词, field有回答、答复的意思。 比如,白宫发言人常常要回答一些很棘

发表于:2018-12-30 / 阅读(277) / 评论(0) 分类 英语每日一词

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(190) / 评论(0) 分类 2018年VOA慢速英语(二)月

Cotton Field When I was a little bitty baby, My mama would rock me in the cradle, In them old cotton field back home. It was down in Louisiana, Just about a mile from Texarkana, In them old cotton field back home. And when them cotton ball get rotten

发表于:2019-01-03 / 阅读(399) / 评论(0) 分类 听英文歌曲解析歌词

发表于:2019-01-04 / 阅读(248) / 评论(0) 分类 英文歌曲第四辑

UNIT SIX A field trip [00:07.34]Let's chant [00:09.82]Let's go on a field trip.There's so much to do. [00:17.21]We can collect leaves,and take picctures,too.We can watch the ants and see what they eat [00:24.92]Let's go on a field trip.It's quite a t

发表于:2019-01-09 / 阅读(309) / 评论(0) 分类 人教版小学英语五年级

You're in the market for a new car. You want something environmentally responsible, but you don't want to give up fun. Now you don't have to. But it comes at a cost. Rebecca Ward | Washington DC 24 March 2010 Hot. Hot and green. That's because the Te

发表于:2019-01-13 / 阅读(109) / 评论(0) 分类 VOA标准英语2010年(三月)

今天要学的习惯用语都包括这个关键词: field。 Field这个词一个普通的意思是野外或田野。今天要学的第一个习惯用语是: have a field day。刚才说过field最普通的意思是野外,所以a field day早在十

发表于:2019-01-14 / 阅读(266) / 评论(0) 分类 美国习惯用语

Official figures from the Ministry of Transportation show emissions from car exhaust account for 31 percent of the country's total air pollution. In an effort to bring that figure down, the central government has been supporting a series of subsidies

发表于:2019-01-19 / 阅读(107) / 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(145) / 评论(0) 分类 2018CRI中国国际广播电台

Motional Induction Last time, we talked about motional induction , a phenomenon by which the ocean generate s a magnetic field. It works like this: earth has its own magnetic field. The ocean has plenty of charged atoms in it, in the form of dissolve

发表于:2019-01-26 / 阅读(72) / 评论(0) 分类 英语听力文摘 English Digest

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(124) / 评论(0) 分类 英语新闻

Voice 1 Hello. Im Rachel Hobson. Voice 2 And Im Mike Procter. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 I was in the tent

发表于:2019-02-14 / 阅读(107) / 评论(0) 分类 环球英语 Spotlight

All along the western front People line up to receive. She got the power in her hands to shock you like you won't believe. Saw her in the amazon With the voltage running through her skin Standing there with nothing on She's gonna teach me how to swim

发表于:2019-02-20 / 阅读(108) / 评论(0) 分类 The Voice 美国好声音

According to statistics, more than 27-thousand electric vehicles have been sold in the 25 cities around China that are conducting electric vehicle trials. Among the vehicles, 23-thousand are serving the public service sector, but only four-thousand f

发表于:2019-02-21 / 阅读(136) / 评论(0) 分类 英闻天下
学英语单词
aminoacetic acid
amplimers
angle form thermoregulator
Asemichthys
bhari kalan
bragg williams approximation
brake noise
bsti
bursted
Caripi
centrifugal
chantalite
Chevrel phases
clinical unit
collaria lurida
conditionally optimal pair
conjune
Continental Illinois National Bank
correlated jitter
crystal seeds
curious as to
dial gauge comparator
die-cut
ear marking
earthtrusts
East Indian geranium oil
echinothrix calamaris
electrode dead time
empty container mileage
english lady crabs
error dection and correction code
eter
express-delivery
farging iceholes
farm-steading
function diskette
gas-pressure head
gipsy's warning
harebells
harmonic level meter
hemalum
hogen
hydrocarbon elastomer
hypogenous
influence degree
inside firebox
isomethazine
knee joint lever
lactic acid anhydride
lime biological treatment
linguo-nasals
magnetoacoustic effect
Maksutov telescope
marine dictorate
merit regulation
microcommerce
naval aircraft
neuroembryology
neuroendocrine system
newly-purchaseds
nictitate
non-parity memory
noninferior
nortestosterones
nurhasyim
out of business
palidia
pananthropism
parapelvic cyst
plutonium(iii) hydroxide
polybenzoimidazole
Poplar Hill
practicin'
printograph
psaloid
quantificat
Regio oralis
regreening
ring architecture
scabrotrophon lani
set mining method
shake a finger at someone
Shimoburo
sho'nuff
shot into
sleeved back-up roll
soccer fans
spanner band
spindle taper hole
spread eaglet
square auger
squdde
step parent
stream computing
supplanter
Ternopol
TF (thin film)
tom cat
type case
update transactions
ventilating hood
vocalized