低分子量聚乙烯

BOB DOUGHTY: And Im Bob Doughty. Today, we will tell about a possible biological test for autism. We also will talk about some allergic reactions and their causes. And we will tell about an investigation of weight gain in animals. (MUSIC) FAITH LAPID

发表于:2018-12-01 / 阅读(211) / 评论(0) 分类 2010年VOA慢速英语(十二)月

Soon, she seems a couple of subordinates attempting to lift the weight of sentences directly in front of themselves. 不久,她看见了一些从属关联词试图举起放在他们面前的句子。 Even though Bartheleme loves to sing, he never s

发表于:2018-12-02 / 阅读(179) / 评论(0) 分类 TED演讲教育篇

情景对话: Walter: Not hydrofluoric. 氢氟酸就不会。 Jesse: Why not? 为什么不会? 知识点笔记: hydrofluoric 氢氟酸 1. 确定辅音 相对来说,辅音变化最少。 单词中 h,dr,fl,r 和 c, 都没有特殊和奇怪

发表于:2018-12-18 / 阅读(137) / 评论(0) 分类 英国学生科学读本

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because

发表于:2018-12-24 / 阅读(140) / 评论(0) 分类 Scientific American(四)月

By Melinda Smith Washington, DC 24 January 2007 watch Diet report Trying to lose weight can be challenging and confusing, because there are so many different diet plans competing for attention. Low fat, or low carbohydrates, or high fiber? It's hard

发表于:2019-01-07 / 阅读(152) / 评论(0) 分类 2007年VOA标准英语(一月)

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2019-01-08 / 阅读(162) / 评论(0) 分类 Scientific American(十)月

By Cathy Majtenyi Nairobi 19 May 2008 Fuel efficient stoves and ceramic water purifiers are two examples of low-tech innovations that can help people in poor countries improve their quality of life. Because what is known as appropriate technology usu

发表于:2019-01-10 / 阅读(172) / 评论(0) 分类 VOA标准英语2008年(五月)

All Time Low The Wanted Praying won't do it Hating won't do it Drinking won't do it Fighting won't knock you out Of my head Hiding won't hide it Smiling won't hide it Like I ain't tried it Everyone's tried it now And failed somehow So when you gonna

发表于:2019-01-10 / 阅读(158) / 评论(0) 分类 好听的英文歌曲

This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz

发表于:2019-01-17 / 阅读(196) / 评论(0) 分类 2016年Scientific American(十)月

Why Teflon Is Slippery Teflon is the trademark name for PTFE, a type of plastic. If you own any non stick cookware, then you probably use PTFE on a daily basis. You might not realize, as you fry your morning eggs, that PTFE is one of the most slipper

发表于:2019-01-22 / 阅读(315) / 评论(0) 分类 英语时差8,16

By Doug Levine Washington 05 January 2007 Bluesman Mark Hummel hasn't taken a vacation in years. He's too busy touring and making records. As VOA's Doug Levine tells us, Hummel's also the founder and bandleader of the internationally acclaimed Blues

发表于:2019-02-03 / 阅读(193) / 评论(0) 分类 2007年VOA标准英语(一月)

girl crazy 歌手:lmnt 专辑:all sides feels like im losin my mind caught up tryna count all these girls in my life so hard for me to resist when they walk by they give me the eye i fall in love everytime pre-chorus: and its so deceiving how people p

发表于:2019-02-04 / 阅读(242) / 评论(0) 分类 音乐咖啡厅

BEIJING, Oct. 18 (Xinhuanet) -- Autism can likely develop when low birth weight babies are combined with other factors such as environment and genetic predisposition, new research suggests. Researchers from the University of Pennsylvania School of Nu

发表于:2019-02-07 / 阅读(208) / 评论(0) 分类 英语新闻

今天我们还是继续讲在大选年中时常用到的习惯用语。多数参选的侯选人在选战刚拉开序幕时常常会作承诺。例如,他们会信誓旦旦地保证绝不向竞争对手进行人身攻击,也决不信口诋毁对手

发表于:2019-02-12 / 阅读(215) / 评论(0) 分类 美国习惯用语

冠军单曲 围观帅哥:The Wanted - All Time Low The Wanted,英国新晋男子偶像组合为什么又是男子组合呢?还打偶像的招牌,看照片上果然是五只大帅哥,其中年龄最大的21岁,最小的17岁歌么,不错,

发表于:2019-02-17 / 阅读(166) / 评论(0) 分类 流行英文歌曲

How Low [Hook] How low can you go? [8x] [Ludacris] Luda! She could go lower than i ever really thought she could, Face down, ass up! The top of your booty jiggling out your jeans, Baby pull your pants up, I like it when i see you do it, Better then i

发表于:2019-02-18 / 阅读(199) / 评论(0) 分类 好听的英文歌曲

BEIJING, Oct. 27 (Xinhuanet) -- A new study shows that it's not simply a lack of willpower that explains weight regain but hormones keep one insisting on eating, a persistent biological urge. As any dieter knows, it's hard to keep weight off. Weight

发表于:2019-02-18 / 阅读(186) / 评论(0) 分类 英语新闻

Low [Chorus:] Shawty had them Apple Bottom Jeans [Jeans] Boots with the fur [With the fur] The whole club was lookin at her She hit the flo [She hit the flo] Next thing you know Shawty got low low low low low low low low Them baggy sweat pants And th

发表于:2019-02-18 / 阅读(177) / 评论(0) 分类 好听的英文歌曲

Yael: I have a question for you, Don. Paper or plastic? Don: Not that question again, Yael. Does anyone really care whether their groceries are put in plastic or paper bags? Y: Sure they do. In fact, the city of San Francisco has taken an interest in

发表于:2019-02-23 / 阅读(133) / 评论(0) 分类 英语时差8,16

Why Teflon Is Slippery? 1954年,法国工程师马克格雷瓜尔(Marc Gregoire)的妻子柯莱特(Colette)突发奇想,觉得丈夫用来涂在钓鱼线上防止打结的不粘材料特氟龙(Teflon)如果可以用在煎锅上,效果一定不错

发表于:2019-02-24 / 阅读(177) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
accessory reproductive organ
acology
after condenser
ahlberg
amboynas
ancientss
ancotil tablet
anterior nariss
Atalantia
barghs
big-city delinquency problems
birds of jove
block-shapeds
booster power plant
Boû Guéré, 'Erg
brother of the quill
carrier-wave trolley-phone system
Casanova, Giovanni Jacopo
colour grading
continuous feeder
craniencephalometer
critical analysis
crystalographic
d-end
density transducer
economic consumptions
embraceable
eosin solution
Euphorbia makinoi
event recorder
exhaust emission control device
family dependents
farmwife
fine for delaying payment
Fitting decomposition
free cursor
gallinula chloropus cachinnanss
geochemical soil survey
hacendado
half-ebb
high speed car
hydrotheca
infrared dectector
irradiated
laci
lateral mode
lateral momentum balance
londre
Maranao
Marial
maximum operating plan
meat dicer
memory address translation
military navigation
militiamen
national protocol entity
Neophocaena
nest relation
number service
nymphologist
olympic torch relay
omniety
open floor
osteomarkers
oxidation promoter
phase-displaced current
phones me
photochromic camouflage material
pigell
plates of meat
platform switch lock check
platycephalic
postface
programmer's console
Pungsan
purely
Q.O.
refreshen
right after
rising type
Saint David's Day
Sebastian Cabot
simple quadruple time
spin filter
stimulated
take one's death of cold
Taradeau
telemetering system
television-type sensor
template shaping press
toasternet
torsion beam crane
traitt
triangular lattice
tuborrhea
two leading shoe brake
venae rectalis superior
wholesale center
wind harps
withstanders
wonder beans
yellow-billed cuckoo