静电相互作用

Scientists: Spiders Use Electric Fields to Move through Air Scientists have long wondered how spiders can use the webbing they make to fly. The 19th century English naturalist Charles Darwin commented on their behavior when very small spiders landed

发表于:2018-12-16 / 阅读(484) / 评论(0) 分类 2018年VOA慢速英语(七)月

The last few years have seen numerous widely publicized incidents of civilians, black men in particular, being killed by police. In response, many officers are now required to wear body cameras. The theory is that technology will lessen the likelihoo

发表于:2018-12-24 / 阅读(403) / 评论(0) 分类 2016年Scientific American(十一)月

口语部分 文化篇 Read the text carefully and be prepared to answer the question: Generation Gap Everyday interactions lost some of their civility in the sixties. Young people in the anti-war movement not only opposed the political power structu

发表于:2018-12-26 / 阅读(362) / 评论(0) 分类 王强口语 第二册

Hey kids, heres a good reason to work up a sweat: when young people exercise for an hour each day it also helps boost their brain power. Thats according to a study of more than 200 kids in the journal Pediatrics. [Charles H. Hillman et al: Effects of

发表于:2019-01-02 / 阅读(405) / 评论(0) 分类 英伦广角

面对公共场所的某一个水管,无法立刻确定是该按压还是旋转它,望着通道前的一扇门,不知是应推还是拉,拿着一个操作键众多的电器遥控器却无从下手美国心理学家唐纳德-诺曼将设计不佳

发表于:2019-01-08 / 阅读(412) / 评论(0) 分类 英文语法词汇

-What was he saying?-He's translating the interactions which *** in Hindi. -Very ancient language, I think. -Yeah. And he's saying that whatever we are saying, the prayers, say that Mother Ganga is the main source of life. As night falls, the priests

发表于:2019-01-16 / 阅读(361) / 评论(0) 分类 自然百科2015年

(SOUNDBITE OF MUSIC) DAVID GREENE, HOST: All right. Today on StoryCorps, we are going to hear from two brothers. Russell Wadsworth is 28. Remmick is 27. They both have autism. As kids, they had trouble with social interactions, and they relied on eac

发表于:2019-01-16 / 阅读(403) / 评论(0) 分类 2018年NPR美国国家公共电台4月

Big Cats and People Live in Close Quarters in India远离大猫 In India, as a consequence of stricter protection of wildlife and increased tolerance, numbers of large carnivores are increasing in private lands and lands outside the protected-area sy

发表于:2019-01-20 / 阅读(548) / 评论(0) 分类 2017年Scientific American(四)月

Big Cats and People Live in Close Quarters in India远离大猫 In India, as a consequence of stricter protection of wildlife and increased tolerance, numbers of large carnivores are increasing in private lands and lands outside the protected-area sy

发表于:2019-01-20 / 阅读(481) / 评论(0) 分类 2017年Scientific American(四)月

It's through these intimate interactions that Fabrice is able to capture the recordings he needs to one day unlock the secret of their communication. 就是透过这些近距离的互动,法布里斯才能够成功录制到他所需要的内容,这

发表于:2019-01-20 / 阅读(374) / 评论(0) 分类 留美老师带你每日说英文

It's pretty safe to say that we'd all like to come across as well-informed, knowledgeable, and smart. Society values experts and rewards them, so we benefit when we're seen as having a certain level of command in what we do and what we speak about. W

发表于:2019-02-06 / 阅读(575) / 评论(0) 分类 阅读空间

So I'd like to propose that we can combine those two worlds, that we can combine the world of the nanoscale programmable adaptive materials and the built environment. 所以我建议把这两个世界结合起来,把纳米级上可程序化、能自我

发表于:2019-02-21 / 阅读(450) / 评论(0) 分类 TED演讲教育篇
学英语单词
actinochemical
acute oral lethal dose
anterior superior pancreaticoduodenal artery
arms sideward with forearms inward
Arīj
automatic line spacing
balayage principle
battery-park
befriendment
blayke
blumers
bonded stores
brayman
chasoun
co-aunt
come-up
common-mode voltage range
comprehensive summary
conduit flow
congeneric acquisition
content confused
cooperative marketing
coupled orocline
cyclic strain-hardening exponent
cydonias
dadyl
democratic convention
earned
ensemble probability density
ergodic set
evolution equation
family plot
feel dished at...
fellow-believer
femtonewton
ferry station
fissioning distribution
flare groove weld
flashiness
flexible magnet sheet stock
Gibbons
glomerular anion
glycosaminoglycan of pectinid
glymes
going around
gray catbird
Grunbaum-Widal test
hepaticolor
hierarchy of fields
high pelvic position
homalodotheriids
horse-and-buggy
horseshoeing
hygrometabolism
jointist
keep my head above water
kidoodle
lilianes
lowering main contactor
lvr
microscopic defect
moisture-proof envelope
murderhobo
Musculus flexor hallucis brevis
Myocardiotomy
nought the less
Otzing
outward turning
pievit
PMML
preirradiation
presolar nebula
presumptuous offence
professional licensing
psikhushka
quintafurcation
raceways
Ravensburg
representative fraction
right-brainer
shalwar kameeze
snoif
solvent seasoning
spirals
sport futurology
spur geared
staple length
statistology
succinimide
summer cucumber
super large engine
support levels
surplus on invisibles
Tetra Pak
Tex-Mex
thermal breakdown
twist tie
two-bolt lock
underaiding
uniform inquiry update element
visible point
vitrodurain