[高分子] 聚对苯二甲酸对苯二酯

Amber: Hello, I'm Amber, and you're listening to bbclearningenglish.com. Today, we listen to parts of an interview with film star Penelope Cruz! She talks about her new movie, 'Volver', what she likes about working with Spanish director Pedro Almodo

发表于:2018-12-02 / 阅读(323) / 评论(0) 分类 Entertainment

Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

发表于:2018-12-18 / 阅读(176) / 评论(0) 分类 万物简史

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(151) / 评论(0) 分类 Scientific American(三)月

Fun Fact: Alligators Can Regrow Teeth 有趣的事实:短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal

发表于:2018-12-28 / 阅读(134) / 评论(0) 分类 初学者听力文摘精选

its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th

发表于:2018-12-31 / 阅读(123) / 评论(0) 分类 英语听力文摘 English Digest

Societe Generale chairman resigns 法国兴业银行行长辞职 Societe Generale's chairman Daniel Bouton has announced his resignation, saying the personal attacks against him risked harming the bank. Mr Bouton has faced increasing criticism ever since a ro

发表于:2019-01-07 / 阅读(182) / 评论(0) 分类 英语新闻

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(171) / 评论(0) 分类 Scientific American(四)月

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(183) / 评论(0) 分类 Scientific American(十一)月

A witness to the terrorist mall attacking Kenya say several attackers were women and one of them white. Kenya officials are so sure that one of them has been the so called white widow or wide has been issued for. Let's get started. Tonight the Kenya

发表于:2019-01-11 / 阅读(241) / 评论(0) 分类 美联社新闻一分钟2013(十月)

As a polyp grows, it puts up a wall of limestone around itself. And then it multiplies. Each polyp can produce thousands of offspring, which all work together to build a living fortress-- a coral reef. After just a few years, a single piece of coral

发表于:2019-01-22 / 阅读(149) / 评论(0) 分类 自然百科2011年

First division in the polyp group, the class Spongiaria has been created by scientists precisely for this unusual exhibit whose usefulness is beyond dispute. 海绵纲是水熄类的第一纲,这一纲就是由这种非常有用处的新奇产物组成

发表于:2019-01-27 / 阅读(192) / 评论(0) 分类 《海底两万里》中英双语有声读物

Gene Stops Ovaries from Testifying A mouse study in the journal Cell finds that a gene in females must remain active throughout her life to keep her ovaries from turning into testes. Karen Hopkin reports Little girls are made of sugar and spice and,

发表于:2019-01-30 / 阅读(292) / 评论(0) 分类 60秒科学

76 关于基因工程食品的网络法规 DATE=7-26-01 TITLE=SCIENCE REPORT - Rules for Genetically Engineered Foods BYLINE=George Grow (Start at 01'02

发表于:2019-01-30 / 阅读(284) / 评论(0) 分类 科技之光

64 基因疗法治疗血友病疗效有限 DATE=6-28-01 TITLE=SCIENCE REPORT - Gene Therapy to Treat Hemophilia BYLINE=Nancy Steinbach (Start at 01'02

发表于:2019-01-30 / 阅读(161) / 评论(0) 分类 科技之光

Heart Patients More Likely to Take Medication When in Single Pill 心脏病人更倾向于服用单一药物 WASHINGTON Many patients who have heart disease or who have suffered a stroke dont take their medications as regularly as prescribed. One stu

发表于:2019-02-01 / 阅读(159) / 评论(0) 分类 VOA常速英语2013年(九月)

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(313) / 评论(0) 分类 英语新闻

BEIJING, Aug. 8 (Xinhua) -- China on Wednesday started to review anti-dumping measures it imposed on chloroprene rubber imported from a Japanese company, the Ministry of Commerce said. The move came after the ministry received complaints that Japan E

发表于:2019-02-05 / 阅读(233) / 评论(0) 分类 英语新闻

BEIJING, Nov. 18 (Xinhua) -- Chinese State Councilor Ma Kai on Sunday met with visiting Comptroller General of the United States Gene L. Dodaro. Ma said the increase of communication on auditing between China and the United States will help promote t

发表于:2019-02-08 / 阅读(150) / 评论(0) 分类 英语新闻

CARACAS, Jan. 6 (Xinhua) -- Venezuela's top athletes gathered at a church Sunday to pray for their ailing president, Hugo Chavez, one of their most steadfast supporters, the Venezuelan News Agency (AVN) reported. Chavez is our main athlete, weightlif

发表于:2019-02-17 / 阅读(146) / 评论(0) 分类 英语新闻

10 Benefits of Rising Early, and How to Do It Recently, reader Rob asked me about my habit of waking at 4:30 a.m. each day, and asked me to write about the health benefits of rising early, which I thought was an excellent question. Unfortunately, the

发表于:2019-02-18 / 阅读(337) / 评论(0) 分类 阅读空间
学英语单词
acrostatic
animal ferment
apophylaxis
atom trapping technique
bioregional
bracquemond
butyl-catechol
candida maris
cement-welding
change the tune
channel discount
colonises
commercial customary law
countershaft axle
crystallographic form
deep-sea disposal
delibrate
dictamnolide
digitaria sericea
dinkas
disequal
doomtard
doppler signature
eateries
Eriocycla pelliotii
error prediction
expeditionary forces
exploratory
fast-fits
fire-engine red
fish-plate
fly a high pitch
foot-pound-second system
geek speak
Gossypium herbaceum
graphotype
Gönc
homeotherapeutic
horizontic
hunter-killer submarine
hydrostatic drives
ISOINDOLONE
japan sea type geosyncline
Lazax
living alone
local oscillator (lo)
marysol
meta-zoonoses
methylpyrocatechine
moerae
momie toweling
Na-to-steam heat exchanger
nagrestipen
Nanas
Neodiplostomum
netwrk
nodosarines
nomen loci
omphalosotr
on the water
optimal placement
pantages
paper chains
pentadecylic acid
phlebitis nodosa tuberculosa
Pleuracanthodii
plunge method
potassium antimonyl oxalate
predelay
pressure flask
probabilistic geometry
process part
range of headlamp
redeemable debentures
reflationist
rhizomnium punctatum
ribbed pipe
Rock Spring
sao franciscoes
secondary pneumonic plague
shoe-type furrow opener
soda pyroxenite
spheroidizing annealing
spider crabs
steering brake
stenotope
step-size multipliers in aqb
straight edge ruler
subresources
Sulawesi Tenggara, Propinsi
sweep-delay circuit
take someone for a ride
tenta
tressing
trusdale
two-tone color
unreposing
vegetating
vejjajiva
Well then?
whitewalls
with one's tongue hanging out