高密度双极性

THE PROPERTIES OF WATER Earth is an ocean planet. About three billion years ago, life on our planet began in the deep blue seas. Ninety-nine percent of the living space on earth is in the oceans. Marine life is incredibly rich and varied. There are

发表于:2018-12-04 / 阅读(64) / 评论(0) 分类 人教高中英语高二

AS IT IS 2015-09-30 Glider Plane to Soar Stratosphere for Data Gliders are light aircraft that fly with no engine. They are pulled by a powered plane into the sky and set free to fly on air currents. They soar on wind currents called mountain waves.

发表于:2018-12-08 / 阅读(74) / 评论(0) 分类 2015年VOA慢速英语(九)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(86) / 评论(0) 分类 2017年NPR美国国家公共电台11月

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Athletes have obviously been tempted to use performance enhancing anabolic steroids. Drug testing may discourage such use. But a new study finds that some of the perfo

发表于:2018-12-24 / 阅读(91) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Weve heard that a mothers weight during pregnancy can influence the weight of her offspring. Now a study of rats shows that the fat content in a moms d

发表于:2019-01-08 / 阅读(100) / 评论(0) 分类 Scientific American(十一)月

中文 英文 缩写 * (符) star (symbol) [美国]电气和电子工程师学会 Institute for Electrical and Electronic Engineers IEEE “请发码”信号

发表于:2019-01-08 / 阅读(167) / 评论(0) 分类 电信英语

Dieting isnt always easy, particularly if you have a sweet tooth. But by adding strawberries to your diet, you can enjoy a range of guilt-free dishes, drinks and snacks any time of day. Best of all, strawberries are low in calories, high in fiber, fa

发表于:2019-01-08 / 阅读(83) / 评论(0) 分类 阅读空间

The World Health Organization (WHO) is calling for action to fight all forms of malnutrition(营养不良), including under-nutrition and obesity, which affect hundreds of millions of people worldwide. More than 60 world nutrition(营养) experts

发表于:2019-01-11 / 阅读(88) / 评论(0) 分类 英语新闻

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(97) / 评论(0) 分类 2014年VOA慢速英语(九)月

DAVID GREENE, HOST: Senate Republicans are expected to unveil their version of a tax overhaul today. Like the House bill that's already moving along, the Senate version is being touted as a way to keep more money in Americans' pockets. But for millio

发表于:2019-01-16 / 阅读(119) / 评论(0) 分类 2017年NPR美国国家公共电台11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(65) / 评论(0) 分类 英语新闻

Hi my name is Jason Cornwell . I'm user experience designer at Gmail. We have been hardworked to update Gmail with a new look.I'm excited to share with you some of the biggest improvements. 大家好 我是Gmail的用户体验设计师Jason Carmel。经

发表于:2019-02-05 / 阅读(69) / 评论(0) 分类 英语万花筒

Theincrease inthenumbersofmarriedwomenemp- (50)loyedoutsidethehomeinthetwentieth centuryhadlesstodowiththe mechanizationofhouseworkandan increaseinleisuretimeforthesewomen thanitdidwiththeirowneconomic

发表于:2019-02-06 / 阅读(75) / 评论(0) 分类 英文语法词汇

Beijing government has vowed that by 2020 the city's annual average density of fine particulate matter (PM2.5) will have decreased by 30% from that of 2015. 北京市政府日前承诺,到2020年,该市细颗粒物(PM2.5)的年均浓度将比2015年

发表于:2019-02-06 / 阅读(105) / 评论(0) 分类 英语新闻

国际民航组织总部保留在蒙特利尔到2036年 OTTAWA, May 27 (Xinhua) -- Canada and the International Civil Aviation Organization (ICAO) Monday signed a new agreement to keep the UN agency's headquarters in Montreal for another 20 years aft

发表于:2019-02-08 / 阅读(210) / 评论(0) 分类 英语新闻

And then we decided to take New York as a test case, 后来我们决定拿纽约做实验案例, and we looked at Lower Manhattan. 研究曼哈顿下城。 And we mapped all the building area in Manhattan. 我们画出曼哈顿建筑区的地图。

发表于:2019-02-13 / 阅读(89) / 评论(0) 分类 TED演讲教育篇

When, in 1960, still a student, 1960年我还是学生时, I got a traveling fellowship 拿到出国留学的奖学金, to study housing in North America. 研究北美的住宅建筑。 We traveled the country. 我们游遍美国, We saw public

发表于:2019-02-13 / 阅读(60) / 评论(0) 分类 TED演讲教育篇

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(93) / 评论(0) 分类 环球英语 Spotlight

This year, TV makers are doing their best to give huge-screen fanatics more breathing room. New ultrahigh-definition sets were shown off Monday by LG Electronics, Sharp, Sony and Samsung Electronics at the international CES gadget show in Las Vegas.

发表于:2019-02-14 / 阅读(212) / 评论(0) 分类 英闻天下

One of the most impressive feats of muscular coordination in nature is the instance of a frog darting out its tongue in order to catch a fly. No matter how fast you are, you could never rely on plucking bugs out of the air to stay alive; but for frog

发表于:2019-03-06 / 阅读(134) / 评论(0) 分类 英语时差8,16
学英语单词
aether chloratus
alexeyev
anwulignan
arothron firmamentum
ballet du xxe si?cle
banking sector
banque d 'affaires
batians
be tickled pink
beef bull
blind nailing
boiler detergent
brake beam adjuster
bricklest
bug storm
cadmium hypertension
carbon dioxide manure
carbonate nodular forms
Carex rugulosa
chilomastixiasis mesnili
cistir
complex projective straight line
cost somebody dear
craniosacral system
cruciferous vegetable
deadman's
decentralized bargaining
deedless
deleted representation
derived-unit
dispersive coefficient
diversity pattern
do donuts
dyssystole
Eleutherococcus setulosus
Exosurf
fill a vacancy
goodlook
gular pit
gymnasiast
Hansa Yellow 10G
heat set
heat value unit
Heezen Fracture Zone
how the world goes
indef.
intrapatch
Irish poplin
ISAM (integrated switching and multiplexing)
locally homomorphic
make no claim
masked etching technique
merchant-ivory
method of docking
metrology room
mimeograph
mint jelly
nephelinite
nitrogen solution distributor
northern casque-headed frog
nzb/w (new zealand black/white) mouse
obsaturate
ordering strategy in resolution
organic evolutions
pearl farming
pericardium channel
Phi Betes
pie birds
pleaters
porous fibre
program flow
proportions of frnit
psf direct
radioactive lead (radiolead)
rayments
relapsers
ribbie
Ruffieux
sample pit
scrote
semizygosis
sequence-type
series-to-parallel connection
shadow bar
soil antierodibility
spondylolisthetic pelvis
standard pack
statare
stomach crunches
superans
supply interruption costs
talk
terminal miocene event
tetrabenzyl-silicane
the media
threw cold water on
trunked hatchways
twin exchangeable disc storage
two-input
waymarking
wigram
wiping arrangement