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It means that Silk and Ree's theory may be right and if it is also right that supermassive black holes helped trigger star formation, then it must mean that all giant black holes and their galaxies ar

发表于:2018-12-07 / 阅读(340) / 评论(0) 分类 超大质量黑洞

Lesson 43 Are there strangers in space? 宇宙中有外星人吗? First listen and then answer the following question. 听录音,然后回答以下问题。 What does the 'uniquely rational way' for us to communicate with other intelligent beings

发表于:2018-12-08 / 阅读(625) / 评论(0) 分类 新概念英语第四册

Now the Special English Program American Stories. Our Story is called ''The Diamond Lens''. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice Joyce with part two of ''The Diamond Lens''.

发表于:2018-12-11 / 阅读(107) / 评论(0) 分类 美国故事

(MUSIC) Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice Joyce with part two of The Diamond Lens. (MUSIC) Storyteller: When I was a child, someone

发表于:2018-12-11 / 阅读(95) / 评论(0) 分类 听美国故事练听力

EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can

发表于:2018-12-16 / 阅读(125) / 评论(0) 分类 2013年VOA慢速英语(二)月

AMERICAN STORIES - Short Story: The Diamond Lens by Fitz-James O'Brien (Part 2) Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and

发表于:2018-12-16 / 阅读(123) / 评论(0) 分类 2011年VOA慢速英语(六)月

(MUSIC) Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice Joyce with part two of The Diamond Lens. (MUSIC) Storyteller: When I was a child, someone g

发表于:2019-01-01 / 阅读(207) / 评论(0) 分类 美国故事

Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice Joyce with part two of The Diamond Lens. When I was a child, someone gave me a microscope. I spent

发表于:2019-01-03 / 阅读(381) / 评论(0) 分类 2018年VOA慢速英语(三)月

After hundreds of years, the most common, basic microscopes still operate by means of the same old hardware: the lens. But what if you could do away with that lens and create a microscope that fits on a cell phone? Thats what researchers led by Aydog

发表于:2019-01-08 / 阅读(153) / 评论(0) 分类 Scientific American(六)月

This is Scientific American 60 Second Science, I am Karen Hopkin, this will just take a minute. Every year, about 10 million tons of paper winds up in American landfills and incinerators, which is not only wasteful but adds CO2 to the atmosphere. Rec

发表于:2019-01-08 / 阅读(140) / 评论(0) 分类 Scientific American(三)月

The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci

发表于:2019-01-12 / 阅读(185) / 评论(0) 分类 2013年VOA慢速英语(五)月

EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one

发表于:2019-01-12 / 阅读(158) / 评论(0) 分类 2012年VOA慢速英语(一)月

STEVE EMBER: Im Steve Ember. FAITH LAPIDUS: And Im Faith Lapidus with EXPLORATIONS in VOA Special English. This week, we tell about one of the most recognizable objects in science fiction the laser. And we tell how the laser has made its mark in the

发表于:2019-01-12 / 阅读(118) / 评论(0) 分类 2010年VOA慢速英语(九)月

The Diamond Lens by Fitz-James O'Brien, Part Two 钻石镜头 by 菲茨詹姆斯奥布莱恩 Ⅱ Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice Jo

发表于:2019-01-12 / 阅读(439) / 评论(0) 分类 2015年VOA慢速英语(七)月

'The Diamond Lens' by Fitz-James O'Brien, Part Two 钻石透镜 II by 菲茨詹姆斯奥布赖恩 Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice J

发表于:2019-01-12 / 阅读(282) / 评论(0) 分类 2016年VOA慢速英语(九)月

Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the science of the future to eve

发表于:2019-01-24 / 阅读(180) / 评论(0) 分类 英语语言学习

AMERICAN STORIES - The Diamond Lens, Part TwoBy Fitz-James O'Brien Broadcast: Saturday, April 08, 2006 Announcer: Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story is called The Di

发表于:2019-01-30 / 阅读(281) / 评论(0) 分类 2006年慢速英语(四)月

Reason/ you are going to go to Mercury as a travel destination would be this night sight view because it's going to be highly unique in the solar system. You have sodium thats atoms that are streaming off and giving enough to see yellow light, so you

发表于:2019-02-05 / 阅读(122) / 评论(0) 分类 自然百科2012年

My companions and I then witnessed an unusual sight. The panels in the lounge were open, and since the Nautilus's beacon was off, 我的同伴和我,在这时亲眼看到一种很新奇的景象。客厅的嵌板敞开,由于诺第留斯号的探照

发表于:2019-02-17 / 阅读(100) / 评论(0) 分类 《海底两万里》中英双语有声读物

SPIM stands for Selective Plane Illumination Microscopy. SPIM is a new kind of microscope technology. It provides a significantly sharper image than current microscopes, and it also allows one to study living organisms without destroying or harming t

发表于:2019-03-06 / 阅读(167) / 评论(0) 分类 英语时差8,16
学英语单词
acis and galatea
adhesive tractive force power
ages of fishes
amaravatis
antifermentive
apical pericementitis
base speed
be at one's books
be under the apprehension
boac
bumbeloe
capital stock-preferred
Cardrona, Mt.
chain controller
child placing
cloth store
Crysophane
Cunault
diagram of component forces
dosis non-neutralisata
double ram type
double-pumps
dowsers
draw up a chair
dyssmboly
eccc
egge
equipment support
erase-on-delete
EU Directive
exterior mirror
frazzledness
gaming room
general-elections
generalized reactance
henckels
hexacorallia
homeister
husked millet
immistion
integral performance criterion
interface standard
internal Compton effect
international co operative alliance
irruption vein (intrusive vein)
joint venture agreement
jorney
kaps-
LEU (less-enriched uranium)
levelling-off
light acclimation
liner perforated
livias
lymphlepithelioma
make one nervous
Meditrina
minimax sum-of-products
Mobile World Congress
munitioneer
NIHR
non-related
nonsteaming economizer
Oberonia caulescens
over-dear
paintbrushes
perfectly straight
place of the court session
polyallel mating
procellarid
protective cover of vegetation
pudling machine
pushed around
real-time data system
rectagraphs
reverse flushing
rigidity computation
Rodos Nisos
s-t-r-e-t-c-h
San Antonio Abad
sciapus rectus
sea-lords
shallow type bucket
sibilances
simonised
small-scale inorganic qualitative analysis
spin-rate control
steel boiler plate
stepped atomic time
streamline rudder
switch in transition
sysgen
terms to the trade
thykston
trustee status
Tvchowo
unborngenerations
unified fine thread
unknotty
upstager
vaginal relaxation
vieyra
water-treatments