耐低温塑胶

Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only withi

发表于:2018-12-01 / 阅读(327) / 评论(0) 分类 新东方背诵文选

[01:05.65]Dialogue Language Structure: [01:09.96]The Present Continuous Tense in the Passive Voice [01:14.06]A:This brides is getting more and more crowded. [01:17.95]B:Yes.Look!So many cares are being held up. [01:22.34]A:As a matter of fact,the tra

发表于:2018-12-04 / 阅读(303) / 评论(0) 分类 高中英语上外版一年级

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 mend Things will mend in time. v. 改进

发表于:2018-12-05 / 阅读(188) / 评论(0) 分类 每日攻克5词

What Makes Windshield Glass So Tough? We tend to think of glass as fragilebut in fact, glass is pretty strong stuff. A flawless fiber of glass pulled lengthwise is five times stronger than steel! Although glass is quite strong, its also very brittlea

发表于:2018-12-31 / 阅读(149) / 评论(0) 分类 英语听力文摘 English Digest

By Ted Landphair Washington 09 August 2007 Every day, American consumers are offered a simple choice when they areby a store's cashier: paper or plastic? But as VOA's Ted Landphair explains in today's searching for solutions report, some communities

发表于:2019-01-07 / 阅读(224) / 评论(0) 分类 2007年VOA标准英语(八月)

By Ruth Reader Washington, DC 13 February 2008 There is growing concern around the world over illnesses caused by new antibiotic-resistant bacteria, or so-called superbugs, and the decreasing effectiveness of antibiotics to treat infections. Earlier

发表于:2019-01-07 / 阅读(180) / 评论(0) 分类 VOA常速英语2008年(二月)

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(195) / 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(179) / 评论(0) 分类 好听的英文歌曲

Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of

发表于:2019-01-11 / 阅读(207) / 评论(0) 分类 英语杂谈

Slow and Gentle Are Best in Treating Hypothermia From VOA Learning English, this is the Health Report in Special English. Last week, we talked about ways to avoid cold-weather injuries. This week, we are going to talk about emergency treatment of hyp

发表于:2019-01-12 / 阅读(178) / 评论(0) 分类 2013年VOA慢速英语(五)月

Plastic Recycling From VOA Learning English, this is EXPLORATIONS in Special English. Im Kelly Jean Kelly. And Im Christopher Cruise. Today we follow plastic bottles and other plastic objects as they go to one of the largest recycling centers in the

发表于:2019-01-12 / 阅读(161) / 评论(0) 分类 2013年VOA慢速英语(五)月

Its amazing to think there wasnt any plastic one hundred years ago. Now its everywhere. Almost everything thats made has some plastic in it. Whoever invented it must be really rich. There are all kinds of plastic. Its pretty useful stuff. I once went

发表于:2019-01-21 / 阅读(160) / 评论(0) 分类 纯正英语一分钟

Plastic Pollution NB: This is not an accurate word-for-word transcript Dan: Hello and welcome 6 Minute English from the BBC. Im Dan Walker Smith and today Im joined by Kate. Kate: Hello Dan. Dan: Now today Kate and I are talking about pollution. Kate

发表于:2019-02-04 / 阅读(191) / 评论(0) 分类 六分钟英语

By Robert Raffaele Washington, DC 12 February 2008 Tests on several plastic baby bottles have found they emit very significant levels of a chemical linked to deadly illnesses in laboratory animals. That is according to a new report released by Americ

发表于:2019-02-07 / 阅读(205) / 评论(0) 分类 VOA常速英语2008年(二月)

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(239) / 评论(0) 分类 美国习惯用语

Part 3. PBSa biodegradable plastic product. Keywords. plastic, new solution, biodegradable plastic, break down, PBS. Vocabulary. PBS, biodegradable, tableware, microorganism, enzyme, degrade, dump. Environmental protection is a big issue nowadays. Wh

发表于:2019-02-15 / 阅读(203) / 评论(0) 分类 Step by Step 3000 第二册

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(192) / 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(223) / 评论(0) 分类 好听的英文歌曲

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(201) / 评论(0) 分类 好听的英文歌曲

Ever since 1921, Australia has refused to buy apples from New Zealand because some New Zealand apples had a disease called fire blight. This disease is common in North America and Europe but Australia and Japan do not have it and do not want it. The

发表于:2019-02-19 / 阅读(140) / 评论(0) 分类 新西兰英语
学英语单词
adjing machine
alkylphospholipid
all over the auction
all this while
Ansilan
antenna trunk
apeness
armature pusher
back pulse
back slash
bandwidth test
bathypelagic fish
Berne Union
Cape Sable Peninsula
carring trade
ceislak
cetyltrimethylammonium chloride
collection post
commutator segments
core lab
cristero
defmacro
despectives
dig ... out
Ecuadoreans
electric-field strength
evaporation from land surface
exudative diathesis of chick
fibrinolytic therapy
flexible tubesheet
fluxoid quantum
FPRT (fission product release and transport)
had done
have a lark with
hunt down
hydrogen wave
interrupt allow
kinetic friction coefficient
kuskokwim mts.
lowland glacier
lumped input
malt tea
mapping satellite
meritocratically
metallurgical certificate
monoceiled
morphism of varieties
nassariyah
natrium brine
natural weapons
noncash circulation
nonplussedness
nuclear material accounting
nuclei ventratis nervi cochleae
nxm
oblatoid
order close-out turnaround number
organic matter basis
ossa temporale
ottoman empires
pendular dynamometer
persistent forced outage duration
phyllidium
pm-d
polyaxial joints
preserving glass
price level changes
proconsulship
put on frills
quantity of water
quinone methide
respiratory box
retinular cells
Rhododendron preptum
rounded vowel
salvadorans
screaming sixties
Second thoughts are best.
sidelight screen
solar technology
special-election
staphyococcus cereus citreus
submarine dome
suppression of homoeologous pairing
sustainable income
swivel joint
synchronize
tabular values
tea pouch
teaching strategies
the defense
tissue immunity
top balance jewel
tremblant
triacnodal
unmortificate
Ust-Ordynskiy
weak ground
white phosphorus grenade
white-female
white-fronted geese
yove