线型缩合聚合物

The northeast just had its first big snow of the season. Meanwhile, on Titan, it was foggy. That weather report brought to you by researchers publishing in the journal Astrophysical Journal Letters. The scientists found that Titan, Saturns largest mo

发表于:2018-12-02 / 阅读(177) / 评论(0) 分类 Scientific American(十二)月

[00:13.67]THE PUB [00:18.89]酒吧 [00:30.54]I worked in my local pub and over the weekends [00:34.50]and some times during the week [00:36.88]I would stay over there with the other bar manager. [00:40.70]We shared a room. [00:42.51]It wasn't strange t

发表于:2018-12-11 / 阅读(146) / 评论(0) 分类 英语灵异故事

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(154) / 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(186) / 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(164) / 评论(0) 分类 Scientific American(一)月

-Sheldon:Fellow warriors, This is Sheldor the conqueror. Fellow:同伴 warrior:武士 conqueror:征服者 【Sheldor:Sheldon在游戏中的人物名】 战友们,我是征服者Sheldor。 We are about to enter Axidus' fortress. enter:进入

发表于:2019-01-01 / 阅读(140) / 评论(0) 分类 生活大爆炸第二季

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(170) / 评论(0) 分类 60秒科学

Callum:Hello. In recent programmes in this series, Who on Earth are we? Marc Beebys looked at some of the more obvious ways that cultures can be different from one another -the different ways we use language, or non-verbal communication, for example

发表于:2019-01-07 / 阅读(673) / 评论(0) 分类 英语讨论

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(226) / 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(166) / 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(218) / 评论(0) 分类 Scientific American(四)月

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(127) / 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(241) / 评论(0) 分类 VOA标准英语2016年(二月)

Room 212 Building 343 Tsinghua University, Beijing 100084 (010) 62771234 Email:good@tsinghua.edu.com xxx Objective To obtain a challenging position as a software engineer with an emphasis in software design and development. Education 1997.9-2000.6 De

发表于:2019-01-17 / 阅读(161) / 评论(0) 分类 实用英语

66 神秘的彗星

发表于:2019-01-30 / 阅读(192) / 评论(0) 分类 科技之光

Do you have the guts to part ways with all those broken gadgets, notepads and pens? This 10 step office cleanup guide should have you neat and tidy in no time. Try to spend just one minute on each task, and move quickly. 10. Paper Why its messy: Pape

发表于:2019-02-09 / 阅读(329) / 评论(0) 分类 英语小短文

The relationship between words and their meaning is a fascinating one, and linguists have spent countless years deconstructing it, taking it apart letter by letter, and trying to figure out why there are so many feelings and ideas that we cannot even

发表于:2019-02-09 / 阅读(218) / 评论(0) 分类 英语笔译

Before I talk about that, 谈到这之前 I've written down at the bottom there 我在底下标出了 the slope of this curve, this straight line. 这条曲线的斜率,即这条直线 It's three-quarters, roughly, 大约为3比4 which is less than

发表于:2019-02-13 / 阅读(180) / 评论(0) 分类 TED演讲教育篇

The average person in the United States watches almost five hours of television a day, more than an hour greater than the average of people in the world's biggest economies, new research says. 一项新研究发现,美国人平均每天看电视的时

发表于:2019-02-17 / 阅读(165) / 评论(0) 分类 阅读空间

kin n.家属(集合称), 亲戚, 同族, 血缘关系, 家族 adj.有亲属关系的, 性质类似的, 同类的 kit n.成套工具, 用具包, 工具箱, 成套用具 lapse n.失误, 下降, 流逝, 丧

发表于:2019-02-25 / 阅读(245) / 评论(0) 分类 考研英语
学英语单词
alinsky
applied cartography
armature type relay
arrect-
arrow arum
assistency
auditur
bacovers
beating on
boundary layer capacitor chip
branch-hircin
Camps-la-Source
Canadian tuxedos
Capreocaulus
chi t'ung kuan
combined mixer and sifter
comparably
composite display
conduit tube
confessary
conformances
corymbose cyme
cosubstitution
De Laval spool dryer
deerlicks
deformation matrix
Diff E
dill vinegar
disincentivized
dolostone
double mount
ethbete
expected life
fallal,fal-lal
family Corynebacteriaceae
farcemeat
fault heave
fremeful
fruit and vegetable acid
full up
germanium oxychloride
gillilands
guaiac resin
gustatory cells
harappans
heat-deformation temperature
Honghuayuan Formation
hydroxyconiin
jeit
keirophobia
laboratory filter
labyrinthodontas
leaf-comb
length distribution graph
liquid-filled membrance pressure gage
Listera taizanensis
magneto-otic device
Mercogliano
Merrimac
mesomorphic
mohsine
multiprogramming facility
neuroenteric
non return rate
nonstandard real number
Oboo Hiid
one-tenth decade
P. Q
parcooking
parity unit
payment by acceptance
Pellionia crispulihirtella
pemuda
pneumatic positioner valve
pole ring
poliothyrsis sinensis oliv.
polyester Protestant
private line two-way trunk circuit
program dialog box
puccinia wattiana
raschke
register, descriptor
relativistic flight
rhamnoglucoside
ritard
santorini's duct (or accessory pancreatic duct (santorini))
scale model
set abstraction
showing of ore
silden
Sinkukwe
snur
spiral form container
stabilized wire
statement grouping
superprecise
tetraalkyl ammonium salt
two way linkage
unidentified reading frame
woodash
wrap
zendejas