螫合聚合物

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发表于:2018-12-06 / 阅读(128) / 评论(0) 分类 斯伯恩自然拼音(MP3+PDF)

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发表于:2018-12-06 / 阅读(171) / 评论(0) 分类 斯伯恩自然拼音(MP3+PDF)

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t

发表于:2018-12-24 / 阅读(74) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because

发表于:2018-12-24 / 阅读(104) / 评论(0) 分类 Scientific American(三)月

Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c

发表于:2018-12-24 / 阅读(85) / 评论(0) 分类 Scientific American(一)月

Lowering the Ceiling on Roof Energy Losses Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because traditional black asphalt roofs heat up in summer and s

发表于:2019-01-02 / 阅读(87) / 评论(0) 分类 60秒科学

HEALTH REPORT - New Studies Aim to Expand Knowledge of AutismBy Caty Weaver Broadcast: Wednesday, September 27, 2006 This is the VOA Special English Health Report. A young child with autism Scientists

发表于:2019-01-02 / 阅读(53) / 评论(0) 分类 2006年慢速英语(九)月

你的内心深处是否已按耐不住,想来一场TED演讲?那就顺着这部充满欢乐的音乐剧,来演讲吧。 这是由TED员工自编自导自演的,一封献给我们的演讲人的音乐情书。

发表于:2019-01-05 / 阅读(81) / 评论(0) 分类 TED公开课:会心一笑

Sebastian Wernicke认为每个TED演讲都能用6个字概括。在TEDxZurich苏黎世,他展示了如何用6个或更少词汇来做到这点。

发表于:2019-01-05 / 阅读(287) / 评论(0) 分类 TED公开课:会心一笑

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

发表于:2019-01-08 / 阅读(104) / 评论(0) 分类 Scientific American(九)月

Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don

发表于:2019-01-08 / 阅读(92) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(134) / 评论(0) 分类 Scientific American(四)月

Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o

发表于:2019-01-12 / 阅读(59) / 评论(0) 分类 2016年VOA慢速英语(九)月

'Smart' Bandages Could Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded

发表于:2019-01-14 / 阅读(138) / 评论(0) 分类 VOA标准英语2016年(二月)

电影制作人摩根斯普尔洛克凭着他的幽默和坚持,一头扎进了神秘而极具影响力的品牌营销,力求拉到全额赞助拍摄一部关于赞助商的影片。

发表于:2019-01-18 / 阅读(109) / 评论(0) 分类 英语演讲

谁说人是理性的一书的作者,行为经济学家Dan Ariely,利用经典视差图象和他那些跟直觉相反(甚至令人震惊)的研究结果,说明我们做决定时,并非自以为那么理性。

发表于:2019-02-14 / 阅读(55) / 评论(0) 分类 TED演讲视频集

关于建立培养创造力(而不是扼杀创造力)的教育体系,Ken Robinson发表了一番幽默生动的演讲。

发表于:2019-02-21 / 阅读(96) / 评论(0) 分类 TED演讲视频集

在这个内容丰富的,发人深省的TED阿姆斯特丹演讲中,凯文凯利畅谈在我们的生活中,从个人层面到宇宙空间,技术都意味着什么。

发表于:2019-02-21 / 阅读(97) / 评论(0) 分类 TED演讲视频集

奥林匹克精神深深地感染着世界范围内难以计数的运动员和观众。那么,这种精神的背后究竟蕴藏着什么,才使它具有如此大的魔力?

发表于:2019-02-21 / 阅读(80) / 评论(0) 分类 TED演讲视频集

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发表于:2019-02-27 / 阅读(160) / 评论(0) 分类 粉红猪小妹第二季
学英语单词
airhood
alimentous
animal puzzle
anticrop
Arthropitys
automatic reusability technique
Banson boiler
beaverette
Benkara
bioral
catcalling
cholecysto-ileostomy
comerade
computer hybrids
computer-aided learning
darwinisms
dischides belcheri
disinger
Dotokdong
dyshormonism
dysmelic
epitheliochorial type
external losses
eye-lotion
figure poem
floating point input/output
forming effect
fornix sacci lacrimalis
gee up!
genus Galeopsis
German ivy
global meteorological satellite observation system
hand brake transfer lever
hashima
hematic abscess
himmel
historical geology
homogeneous magnetic field
infortuned
inscribed square
intersystolic period
irroborate
japanese capitals
key bargaining
lateral line
LORAN double slave
m. stylohyoideus
made ducks and drakes
mazenod
meridean
muffle block
multipotencies
murine virus testing
national interagency fire center
Negra, Loma
nitidulid beetle
nontuplet
overcultivate
oxygen-converter steel
oxygen-isotope method
packer timing coupling
periodic-automatic-reclosing equipment
peripheral venography
phae
pinching off
pneumatic veneer clipper
preddy
principal telescope
probationership
program-length
propeller-blade area
resistance of setting
respectabilized
respiratory systems
rhodesiella elegantula
rhombic enantiomorphous class
roll reversal
rumaylah
salt licks
scanning standard
sensory bud
Sinostomatograptus
standard hygrometer
standard meat
summerweight
swooping on
symmetric determinant
tackle
tarbooshes
tension rope deflection sheave
test/observations included within an ordered test battery
thermochemical equation
thimble punch holder
three-chord bridge
Tungkang-lingian Age
two step control
tympanic artery
type libraries
vagino-colic fistula
Ve.
violinist's cramp
wearing depth