[化] 固相聚合物

Lesson 27: [00:03.58]Let's Do an Experiment! [00:07.24]One Experiment,Two Theories [00:11.81]A theory is an idea.A theory predicts what will happen. [00:18.57]An experiment shows what happens. [00:23.25]BRIAN:Did you read about this experiment,Danny?

发表于:2018-12-13 / 阅读(198) / 评论(0) 分类 河北加拿大版初中英语

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(121) / 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(146) / 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(129) / 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(133) / 评论(0) 分类 60秒科学

By David Gollust Secretary of State Colin Powell, on his first visit to Brazil, says that country is a

发表于:2019-01-03 / 阅读(131) / 评论(0) 分类 VOA2004(下)--新闻盘点

By Claudia Blume Hong Kong 02 April 2008 The Asian Development Bank says while Asia will not be immune to the global slowdown, economies in the region will continue to see solid growth in 2008. But the bank warns in its annual outlook that inflation

发表于:2019-01-06 / 阅读(137) / 评论(0) 分类 VOA常速英语2008年(四月)

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(170) / 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(140) / 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(190) / 评论(0) 分类 Scientific American(四)月

Come On Everybody 来吧!大家跟我唱! 快乐永远 演唱者:Solid Base 英文歌词 (Hey Hey Hoo) Chorus : Come on everybody let's have fun We gonna have a party in the sun Come on everybody sing with me Ohoo Ohoo ! (x2) Sing it Ooh ! (x2)

发表于:2019-01-10 / 阅读(235) / 评论(0) 分类 英语说唱歌曲

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(103) / 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(193) / 评论(0) 分类 VOA标准英语2016年(二月)

The land-speed record 地面速度记录 How to build a 1,000mph car 怎样建造时速1000英里的汽车 Hybrid rocketry will be used to drive faster than ever before 混合火箭技术将用于更快地驱动车辆 May 5th 2011 | from the print ed

发表于:2019-01-26 / 阅读(110) / 评论(0) 分类 经济学人综合

You know, he said, in an important voice, 你们知道,他用郑重其事的声音说, I've thought all along that that pig of ours was an extra good one. 我已经想通了,我们这只小猪是一只特级好猪。 He's a solid pig. That pig

发表于:2019-01-29 / 阅读(115) / 评论(0) 分类 夏洛的网

The Goose that laid the Gold EggsA farmer and his wife once had a goose that laid a solid gold egg every day.Each evening they settled it securely in its pen in the corner of their kitchen with a bowl of the best corn and a saucer of freshwater Eac

发表于:2019-01-30 / 阅读(140) / 评论(0) 分类 趣味英语

Pyramid Charice Pempengco Shawty's love is like a pyramid (ooh) We stand together till the very end (eh ooh) There'll never be another love for sure (ooh) Iyaz and Charice let we go Stones, heavy like the love you've shown (shown) Solid as the ground

发表于:2019-02-04 / 阅读(165) / 评论(0) 分类 好听的英文歌曲

The first rockets were Chinese. In the 1230s the armies of the Song dynasty, 首批火箭出现在中国。十三世纪三十年代,宋朝军队 who were fighting Mongol invaders, started launching fire arrows propelled by gunpowder some 300 metres

发表于:2019-02-16 / 阅读(132) / 评论(0) 分类 经济学人科技系列

靛蓝青年布:Indigo chambray 人棉布植绒:Rayon cloth flocking PVC植绒: PVC flocking 针织布植绒:Knitting cloth flocking 珠粒绒: Claimond veins 倒毛: Down pile making 平绒: velveteen (velvet-plain) 仿麂皮: Micro

发表于:2019-02-17 / 阅读(122) / 评论(0) 分类 实用英语

Cannot fall, never do regret Know just what is being said know the risk you take Keep your head above it all Sure you can fall but not now you gotta prove something new, being you, being you Can't feel, keep from asking why be the strongest at goodby

发表于:2019-02-25 / 阅读(145) / 评论(0) 分类 美国乡村音乐
学英语单词
absorption ability
acrisorcin
adiathesia
afterschool club
ajutage
annual review
antiseepage
apriums
arteriae meningea media
astrocaryum star-nut plam
attendees
Automatized Ship
binary collision method (of Lee and Yang)
blood morphological examination
bloodsugar
boletic
bruit de frolement
candy stores
cartridge serial number
chip memory
closed contour
commissioning test for sequence system
copal oil
court of second hearing
criticism meeting
cybercentric
d'ausilio
david humes
Dayakker
deep perineal space
dehydrated fish
disturn
DRAP27
dynamimeter
epsilon aurigaes
ernesto guevaras
erratic
first item list
foreign substance
free jet
furazabol
fuzzy membership
gas-guzzlings
go one's way
guarded statement
Half a Dollar
halometasone
head-on-type photomultiplier tube
hemogenic
highland glacier
idioblasts
institute strikes clauses
jugular venous pulse
Kadwāha
kohr
life president
median opening
methylene
mishras
multiple decision rule
nanmu
necrosadists
nonsubscripted switch variable
orbital region
P.L.
parachinar
parky
partly rational expectations
Phoques B.
phytolaccas
pittancy
polianite
population formation
pressural
pressure alarm indicator
primary syphiliss
push-pull structure
Put that in your pipe and smoke it.
Pārner
radiochemotherapeutic
radradiation absorbed dose
rail return
rapture of the deep
root mean square velocity
scalpellus
screven
sentence connector
set on center
soft X-ray laser
sorts out
specific course
spectacle type parametron
splendiferous
Sustinente
tick-up
tiete
towan
underjoin
unwinds
weakly isomorphic algebra
whereinsoever
wipe the slate clean