能量密度

American inventor John Goodenough first started working on battery technology more than 40 years ago. Goodenough actually co-invented lithium-ion batteries in 1980. This eventually led to a revolution in the electronics industry because those devices

发表于:2019-01-02 / 阅读(49) / 评论(0) 分类 2017年VOA慢速英语(五)月

Turning Cigarette Butts to Batteries 烟头转变成电池 If you see a person carelessly throw a cigarette to the ground, what are you likely to think? That depends. If you hate people throwing things on the ground, you might think, That person shou

发表于:2019-01-12 / 阅读(68) / 评论(0) 分类 2014年VOA慢速英语(九)月

Scientists from the University of Central Florida (UCF) have created a supercapacitor battery prototype that works like new even after being recharged 30,000 times. 来自中佛罗里达大学(UCF)的科学家已经创造了一个超级电容电池

发表于:2019-02-02 / 阅读(32) / 评论(0) 分类 英语新闻

matter 物质 energy 能 vacuum 真空 liquid 液体 fluid 流体 solid 固体 body 物体 mass 质量 weight 重量 density 密度 specific gravity 比重 gravity 重力 velocity 速度 kinetic energy

发表于:2019-02-07 / 阅读(63) / 评论(0) 分类 英文语法词汇

This dark energy doesn't behave like any other substance we know at all and acts more like antigravity force. 这种暗能量的性质与我们所熟知的其他物质完全不同,它更像是反重力。 We say that it has a gravitational pressure

发表于:2019-02-13 / 阅读(34) / 评论(0) 分类 TED演讲教育篇

Looking up at the night sky, we are amazed by how it seems to go on forever. 仰望夜空,我们为它的永无止境而感到惊讶。 But what will the sky look like billions of years from now? 然而数十亿年前的天空又会是什么样子呢

发表于:2019-02-13 / 阅读(38) / 评论(0) 分类 TED演讲教育篇
学英语单词
a short time
a small flying insect
adarbitrium
Al Qalīb
anchored stow net
arsenvanadinite (endlichite)
as one wishes
aureolaria pedicularias
be promptly dispatched
bearablest
branchiostegal valve
bug juices
building security
cardless
cargolux
ceratopsidaes
charges on the assets of a company
chavasses
chemical prophylaxis
classroom design
Cleistogenes songorica
cobaltichloride
constant standard cost
conveyance clause
correspondence-quality
course feed
curve of support
cutling
cycloid type
daceasies
decay radiation
defocusing tolerance
depth of impression
diisocyanate resin
disto-incisal
double consciousness
East Asians
edit-directed
electromechanical data processing
engineering drafting
Entada rheedii
etyms
Eucalyptus globulus Lab.
eupancreatism
expense belonging to the preceding fiscal year
farspoken
finder aperture
funner
general migration
genus Chalcis
gestation period
Gmund
goods traffic revenue
granulosa-lutein cells
hand brake latch rod
hand screw holdfast
hereditance
humiture
ideomotor action
Isabella Stewart Gardner
jarocho
labor under
lamella heat exchanger
leeuwenbrugs
llsb
looper holder
maladminister
midbrains
Moxadil
myocytic
nccretio cordis
nonlethal weapon
novembers
Old Tupi
oven-bird
padayachi
panegurie
parasitic fly
physics of medicine
picture height
polyethylene glycol sebacate
prairie schooners
pseudogravity anomaly
public lectures
rake-hell
security register
single-girder gantry crane
small column insulated delay
speaking battery
specific electrical conductance
spinor group
stooly
supertops
symposiarches
Synotis tetrantha
Szydlowiec
tenebrionoids
travelling oven
trichloropyridine
varactor multiplier
vibromotive force
waspies