[化] 芳族聚合物

2Thus the heavens and the earth were completed in all their vast array. 2By the seventh day God had finished the work he had been doing; so on the seventh day he rested from all his work. 3And God blessed the seventh day and made it holy, because on

发表于:2018-12-05 / 阅读(162) / 评论(0) 分类 创世记

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t

发表于:2018-12-24 / 阅读(150) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because

发表于:2018-12-24 / 阅读(179) / 评论(0) 分类 Scientific American(三)月

Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c

发表于:2018-12-24 / 阅读(159) / 评论(0) 分类 Scientific American(一)月

Lowering the Ceiling on Roof Energy Losses Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because traditional black asphalt roofs heat up in summer and s

发表于:2019-01-02 / 阅读(166) / 评论(0) 分类 60秒科学

The script of this programme 本节目台词 Bilingual signs in Chinatown Helen: Hello, Im Helen. Welcome to On the Town from BBC Learning English. Sun Chen: Hi 大家好,欢迎收听BBC Learning English 为您制作的都市掠影.我是孙晨。 Helen: In this programme,

发表于:2019-01-05 / 阅读(157) / 评论(0) 分类 都市掠影

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

发表于:2019-01-08 / 阅读(213) / 评论(0) 分类 Scientific American(九)月

Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don

发表于:2019-01-08 / 阅读(164) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(214) / 评论(0) 分类 Scientific American(四)月

Since ancient times,a tribute to the poetry of flowers did not cease, the plum blossom is the孤傲poet described the regular, Liu Yuxi, the Dow had a lotus flower Zhuo-Qing Lian without demon. Famous, more next-day Bi endless days, for other red flo

发表于:2019-01-08 / 阅读(129) / 评论(0) 分类 英语演讲

Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o

发表于:2019-01-12 / 阅读(123) / 评论(0) 分类 2016年VOA慢速英语(九)月

'Smart' Bandages Could Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded

发表于:2019-01-14 / 阅读(234) / 评论(0) 分类 VOA标准英语2016年(二月)

Business this week. 一周商业要闻 It was a big week for the mobile phone industry, with the announcement of two long mooted deals. 对移动电话行业来说这周很重要,这周公布了两个酝酿已久的交易。 In the first, and after

发表于:2019-01-26 / 阅读(196) / 评论(0) 分类 经济学人要闻

You can make your meals even healthier (and tastier, too!) while strengthening your fight against the diabetes-inducing inflammation in your body. How? You can look to nature and whole plant foods. 你可以让你的饮食更加健康(还可以更加

发表于:2019-02-01 / 阅读(149) / 评论(0) 分类 实用英语

Fish says to Water: I am crying all the time, but you never know, because I'm in the water. 鱼对水说:我整天哭泣,不过你看不见我的眼泪,因为我在水中。 Water says: I know, because you are in my heart all the time. 水对鱼说

发表于:2019-02-04 / 阅读(116) / 评论(0) 分类 阅读空间

An investigation has revealed six garment manufacturers in Shanghai have made school uniforms using toxic dye. The city's quality watchdog says it found aromatic amine dye in uniforms sold to 21 primary and middle schools across the city. China's nat

发表于:2019-02-14 / 阅读(158) / 评论(0) 分类 英闻天下

For being at Tranque, years ago, when attached to the trading-ship Dey of Algiers, 因为多年以前,由于我参加了阿尔及尔的商船德号,曾经到了托朗魁, I was invited to spend part of the Arsacidean holidays with the lord of T

发表于:2019-02-17 / 阅读(147) / 评论(0) 分类 白鲸记

I wonder now if our old man has thought of that. It's worth trying. Yes, I'm for it; and so saying he started for the quarter-deck. 我不知道这会儿,我们老头可想到这一点。这倒是值得一试的。好,我去跟他说说看;说着

发表于:2019-02-25 / 阅读(114) / 评论(0) 分类 白鲸记

天冷了,手捧一杯咖啡是不是一种享受呢?但是,你真的了解咖啡的前世今生么?人类是怎么发现咖啡的呢?咖啡馆还一度遭禁,这是为什么呢? 起源:跳舞的羊Legend has it that Ethiopian shepher

发表于:2019-02-25 / 阅读(177) / 评论(0) 分类 英语口语

Fish says to Water: I am crying all the time, but you never know, because im in the water. 鱼对水说:我整天哭泣,不过你看不见我的眼泪,因为我在水中。 Water says: I know, because you are in my heart all the time. 水对鱼说

发表于:2019-03-04 / 阅读(377) / 评论(0) 分类 英语美文
学英语单词
2-bromopropane
acetochloral
acro-cephalosyndactyly
addicts
alvidrez
androgynism
Androni
annualus
anti-cyclin
arbo
arc-weld
as we say
attitude (of strata)
Auger electron spectrometry
back action
battens
be discharged from prison
beatenness
bevel-angle
buffer intensity
burn-off chamber
car hoist and body stands
cloud OS
continuous upseting
control experiments
coordination number
copper minimum content
Cost of Cleaning Pollutants from Ships
Custer City
cylinder casting
data loop transceiver (dlt)
Doppler bank
dynamic loss tensile modulus
electric line of force
farinhas
fastness to heat
five-wire system
flammete
fleece lined
foreign currency statement
fuel lattice
Fulsed
gap-filler input
gaster
generation time
giroflee
gushiness
heartwell
hematopenia
ingrates
integrated square
isobrachial
Kaliningradskiy Zaliv
kerato-iridocyclitis
keyboard lock state
kostelic
laciniatas
least absolute deviation fit
leucodrin
likeglobin
locks her up
maculotriton serrialis
magnetic energy density of magnetostatic field
Melia azedarach L.
metallic color
metric capacity units
milked-fever
no-return point
normal gastric acid curve
not yet due
particulate composite material
Pasteurella septica
payard
pentapetalus
phenoplasts
pollution-related disease
portable automaic data recording equipment
poster paper
preset prism
prevailing visibility
problem statement analizer
regarding henry
rock wreath
saccule
Salmon Bank
scleral ring
scrab
settlement movement
Siheung
soak
steel motor lifeboat
straight tooth
strontium bisulfate
syncephalastrum racemosum
tangshans
tarred-and-feathered
technical economics of forestry
the Keeper of the Exchange and Mint
timing filter amplifier
tixt
Ust-Amginskoye
warp ikat