依机率收敛序列

图片 by Jason Marshall Its not often someone suggests that knowing some math could make you the life of the party, but thats exactly what Im going to do. Yes, a properly timed delivery of a few fun facts about the famed Fibonacci sequence just migh

发表于:2018-12-07 / 阅读(210) / 评论(0) 分类 数学英语

The tiny brain of this zebra finch may help scientists answer questions on how people form words to talk. Like humans songbirds learn to vocalize by imitation. Were able to not only just study the mechanisms of how vocal learning works in these songb

发表于:2018-12-08 / 阅读(157) / 评论(0) 分类 VOA标准英语2018年(五月)

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(214) / 评论(0) 分类 Scientific American(一)月

Describing Order and Sequence Patrick: Okay, your first task is to put all of these files in order. Maya: Wow, there must be hundreds of files in this storeroom. How am I supposed to organize them? Patrick: Create a basic filing system. Put things in

发表于:2018-12-27 / 阅读(205) / 评论(0) 分类 2014年ESL之商务英语

Researchers have discovered an almost universal word. Huh? You say? Even if you are not a native speaker of English, you probably dont need a translation for Huh? It appears that the word, or a very similar form of it, is used in most of the language

发表于:2018-12-28 / 阅读(122) / 评论(0) 分类 轻松英文阅读

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(183) / 评论(0) 分类 英语新闻

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

发表于:2019-01-08 / 阅读(243) / 评论(0) 分类 Scientific American(八)月

英国RB三人女子组合Mis-Teeq*的前主唱Alesha Dixon去年在英国的舞林大赛中最后取胜而炒起的人气依然够旺。多年前,由Alesha Dixon、Su-Elise Nash 以及 Sabrina Washington共同组成的Mis-Teeq,曾是英国首席

发表于:2019-01-10 / 阅读(179) / 评论(0) 分类 天籁音乐

ROBERT SIEGEL, HOST: Biologist Jonathan Losos and I have at least one thing in common - we were both blown away by the late paleontologist Stephen Jay Gould's 1989 book Wonderful Life. Gould saw evolution as being all about odd contingencies, acciden

发表于:2019-01-16 / 阅读(227) / 评论(0) 分类 2017年NPR美国国家公共电台9月

But even though the insect brain is organized very differently from ours, there are some striking similarities. 虽然昆虫与人类大脑的组成大相径庭,但是仍有很多惊人的相似之处。 For example, most insects have smell detecto

发表于:2019-01-17 / 阅读(189) / 评论(0) 分类 TED演讲教育篇

Describing Chance and Probability Raul: What are the chances that Rob will be here on time? Tiffany: Id say its fifty- fifty. You never know. He might surprise us and be early. Raul: Fat chance of that happening. Ive known him for three years and if

发表于:2019-01-23 / 阅读(274) / 评论(0) 分类 2013年ESL之日常生活

Dogs have been mans best friend for thousands of years, a source of companionship and loyalty since the Stone Age. 几千年以来,狗狗都是人类最好的朋友,从石器时代开始就是人类忠诚的陪伴。 Now scientists suspect they h

发表于:2019-01-31 / 阅读(148) / 评论(0) 分类 英语新闻

Kerry Leaves Pakistan Hopeful, Despite Divides尽管有分歧 克里仍给巴基斯坦留下希望 U.S. Secretary of State John Kerry has wrapped up a visit to Pakistan with an agreement by the two countries to resume a dialogue on security issues. T

发表于:2019-02-01 / 阅读(172) / 评论(0) 分类 VOA常速英语2013年(八月)

Boston researchers have developed a supercomputer they claim can predict with 96% probability if a patient is about to die. 波士顿的研究人员发明了一种超级计算机,据说能预测病人是不是快要死亡,准确性高达96%。 Th

发表于:2019-02-01 / 阅读(170) / 评论(0) 分类 阅读空间

Itcanbeinferredfromthepassagethatthe authorwouldbemostlikelytoagreewith whichofthefollowingstatementsregarding socioeconomicclassandsupportforthe rebelandLoyalistcausesduringthe AmericanRevolutionaryWa

发表于:2019-02-06 / 阅读(167) / 评论(0) 分类 英文语法词汇

Women drivers are more likely to be involved in an accident, according to scientists。 Researchers looked at 6.5million car crashes and found a higher than expected number of accidents between two female drivers。 They also discovered that women ha

发表于:2019-02-07 / 阅读(185) / 评论(0) 分类 实用英语

Science and technology: Panda genetics 科技:熊猫遗传学 Hey dude. Give me six! 嘿,伙计。用六指击个掌吧! Two strange mammals illuminate the process of natural selection. 两种不同的哺乳动物阐明自然选择的过程。

发表于:2019-02-16 / 阅读(204) / 评论(0) 分类 经济学人科技系列

音乐咖啡厅:Alesha Dixon - Can I Begin 相关介绍:英国RB三人女子组合Mis-Teeq*的前主唱Alesha Dixon去年在英国的舞林大赛中最后取胜而炒起的人气依然够旺。多年前,由Alesha Dixon、Su-Elise Nash 以及 Sabr

发表于:2019-02-18 / 阅读(256) / 评论(0) 分类 音乐咖啡厅

college n.大学;学院 Harry studies at an art college in Los Angeles. 哈利在洛杉矶的一家艺术学院就读。 university n.大学 He was admitted to the university of his choice. 他获准进入他理想中的大学。 probable a.很可能

发表于:2019-02-26 / 阅读(276) / 评论(0) 分类 赖世雄进阶英语词汇3500

唐顿庄园第二季第八集_5 [INT. SERVANTS' HALL - EVENING] O'BRIEN I'll sleep on a chair in her room. DR CLARKSON Oh, no. There's no need for that. O'BRIEN I don't mind. [Molesley pulls his head off the table groggily.] MR MOLESLEY What is it?

发表于:2019-03-16 / 阅读(362) / 评论(0) 分类 唐顿庄园第二季
学英语单词
abnormal operating condition of nuclear power plant
advance capital
aging vessel
air-cooling synchronous machine
aldrins
algophobias
amuls
an awful lot
bandh
beta pulse counting assembly
bitterns
brake shoe adjusting spring
Cagniard-De Hoop technique
CH activation
chickenbreast
chrome acid
chronic endemic fluorosis
church-building
citation for contempt
common error
common source small signal input capacitance
complement fixing antibody
cousinfucker
cryptozoic eonothem
darkless
data collection and analysis
DC filter
distapectinae
dry-reed switch
drying damp and eliminating phlegm
ear capsule
ethylenimine
false pride
femto-ohm
ferrular
fetal fat-cell lipoma
fiber material
fixed to floating point conversion
fixture date
floating production platform
forging tongs
genus Peireskia
give a dance
go-getters
graphic porphyry
graptomyza arisana
grease retainer remover
guero
gynoecophorus
heterocrania
horse puckey
in sb's employ
julgoldite
kabs
kemo
Kolton-Gelee
Limanda
low archipelagos
mentavlos
multimethod
never cry
odinopoeia
Operationally efficient market
outer macro call
palm beach gardens
paraeuchaeta malayensis
partiblest
pelletierine hydrochloride
pharmaceutics
prohormonal
Pteris multifida Poir.
public housing
pure cellulose
quick disconnection
reac
representative instance
Roc.
Rocky Mountain tick
sacropelvic surface
salesconfirmation
sandy equipment
scabby leprosy
schwefel
scouth
scranny
screw mooring
skokholm
somersaulting of image
spiral pattern
Starazagorska Oblast
superior cubitoradial articulation
Suriana maritima
Tab phenolphthaleinum
tape of mould
the HIV
titanium(iv) sulfide
toe length of frog
unit segment
v. thoracoacromialis
valve electronics
vertical cross cutting saw
yeast Lactobacillus casei factors