音标:[məˈlekjələ pəʊˈlærɪti:] ;
分子极性

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:06.14]2003 Text2 [00:08.35]To paraphrase 18th-century statesman Edmund Burke, [00:12.20]all that is needed for the triumph of a misguided cause [00:16.43]is that good people do nothing. [00:19

发表于:2018-12-01 / 阅读(238) / 评论(0) 分类 历年考研英语阅读理解

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.81]1999 Passage4 [00:07.51]When a Scottish research team startled the world [00:10.54]by revealing 3 months ago [00:12.61]that it had cloned an adult sheep, [00:14.94]President Clinton move

发表于:2018-12-01 / 阅读(400) / 评论(0) 分类 历年考研英语阅读理解

locomotive startle strife pledge except gross telecomunication plunder adjustable poke testify polarity justification entertainment degradation outrage pop endeavour consistent porcelain avert oxidize metropolitan

发表于:2018-12-01 / 阅读(154) / 评论(0) 分类 用Mp3背六级单词

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

发表于:2018-12-24 / 阅读(221) / 评论(0) 分类 Scientific American(十)月

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(130) / 评论(0) 分类 Scientific American(四)月

This summer I was back in Ohio for a family wedding, and when I was there, there was a meet and greet with Anna and Elsa from Frozen. Not the Anna and Elsa from Frozen, as this was not a Disney-sanctioned event. These two entrepreneurs had a business

发表于:2018-12-28 / 阅读(142) / 评论(0) 分类 英语语言学习

Evoking images from the liquid metal and nearly unstoppable Terminator from the movies, BAE Systems has posted concept video footage of a process to create drones of the future. 近日,BAE系统公司发布的一份概念视频展示了未来制造无

发表于:2019-01-07 / 阅读(144) / 评论(0) 分类 英语新闻

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? The Nobel Prize in chemistry goes to three men who revolutionized molecular life science, Japans Osamu Shimomura and Americans Martin Chalfie and Roger Tsien. They dev

发表于:2019-01-08 / 阅读(151) / 评论(0) 分类 Scientific American(十)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(150) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science, I am Karen Hopkin. This will just take a minute. I once took part in a vodka tasting contest, in which participants tried to tell an expensive brand from a cheap one. I dont recall the exact outcome, f

发表于:2019-01-08 / 阅读(127) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? At the recent Lindau Nobel Laureate Meeting, 2009 chemistry laureate Thomas Steitz recalled that at one institution in the 60s, he saw how informal scientific collaborat

发表于:2019-01-08 / 阅读(200) / 评论(0) 分类 Scientific American(七)月

反射星云是靠反射附近恒星的光线而发光的,呈蓝色。反射星云的光度较暗弱,较容易观测到的例子是围绕着金牛座M45七姊妹星团的反射星云,在透明度高及无月的晚上,利用望远镜便可看到

发表于:2019-01-08 / 阅读(268) / 评论(0) 分类 托福英语

[00:11.60]WARMING UP [00:16.04]How many new uses can you think of for the folowing items? [00:36.49]reminds us of the appearance of nanotechnology, [00:53.76]according to which nothing is useless and [01:04.91]no garbage or waste material to speak of

发表于:2019-01-10 / 阅读(282) / 评论(0) 分类 高中英语人教版高一年级

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(183) / 评论(0) 分类 2016年Scientific American(十)月

By analyzing different samples of lava, Herrero / Bervera has built up a picture of how the filed has changed since long before humans were around. They are actually the recorders of the Earth's magnetic field in hundreds of years, thousands of years

发表于:2019-01-22 / 阅读(132) / 评论(0) 分类 自然百科2011年

Sicience and technology 科学和技术 Cancer and obesity 癌症与肥胖 Malignant flab 恶性松弛 At last, an understanding of how overeating causes cancer 吃得过多如何导致癌症 OVERWEIGHT women are more likely to develop breast cancer

发表于:2019-01-26 / 阅读(145) / 评论(0) 分类 经济学人科技系列

HEALTH REPORT - Study Links Red Meat to Higher Risk of Breast CancerBy Caty Weaver Broadcast: Wednesday, November 22, 2006 This is the VOA Special English Health Report. Exercise and keeping a healthy

发表于:2019-01-30 / 阅读(126) / 评论(0) 分类 2006年慢速英语(十一)月

Books and Artts; Book review; 文艺;书评; Conundrums of science; 科学谜题; What is it for? 科学究竟有什么用? Scinece in the 20th century and beyond; by Jon Agar; 20世纪后科学;乔艾格著; SCIENCE works with problems b

发表于:2019-02-18 / 阅读(165) / 评论(0) 分类 经济学人综合

澳大利亚研究人员发现老年痴呆症的补救措施 VIENNA, Sept. 2 (Xinhua) -- Austrian scientists have discovered a natural remedy(补救方法) which could play an important role in the future treatment of dementia. The scientists fro

发表于:2019-02-18 / 阅读(120) / 评论(0) 分类 英语新闻

In three dimensions, we did a project last year at TED Global with Autodesk and Arthur Olson where we looked at autonomous parts -- so individual parts not pre-connected that can come together on their own. 对于三维系统,我们去年在TEDGlob

发表于:2019-02-21 / 阅读(119) / 评论(0) 分类 TED演讲教育篇
学英语单词
2-Nitrobenzaldehyde
aayretic typhoid
ad quod damnum
ambaline
amebic granuloma
ammonia volatilization
anamorphous solid
any whit
apparating
asplenium septentrionale hoffm.
athermic
beat flat
benzene-insoluble
between-wind-and-water
blue corn
Calogreen
Central Greece
cisco serial line address resolution protocol
close etching
coal in pile
cost plus fee agreement
de-Christianise
Debre Tabor
dictaphone reception
dual slope converter
durshan
eolian deposite
etiolate
eurarom (european atomic community)
expanded clay
facies group
family terebellidaes
FeLV
fenix
fixed tuned plate circuit
flipperlike
fracitonal exponent method
fully automatic spreader
gabble out
high-concentration-ratio system
Higi
horizontal frontal plane
horizontal pulling technique
hunny
infundibulofolliculitis
instantaneous automatic gain control (iagc)
irreligiosity
karwinaphthol
Krasnoye-na-Volge
Laomedon
leaned
line building-out network
mercury vacuum gage
middle-rail box girder
midi-pyreneess
Monthureux-sur-Saône
multicellular aquatic animal
muscle phosphorylase deficiency
nailfold
natural action
nematodesmata
organonitrogens
overplanning
overspeed trip striker
paint blower
picture synchronization
pisangceryl acid
plane transposition
plantisul
pooling function
pressure regulation
product-placement
quinonimine dye(s)
random access module
random breath testing
re-sold
release ampere turn
remote sensing picture
run time test instruction
Schwabach's test
sectional mill
semi-plant
Sibium Mts.
Sidi Moussa
slag inclusions in welds
small pump
spring-loaded brake
sterculia hainanensis merr et chun
substantive significance
Sunday drivers
Swiss Standard German
taiyo
tay
tent pole
thin film conductor
track inspection railcar
transit survey
uitlander
underlug
unhorrified
uranologist
white salt