牛顿式反射镜

EXPLORATIONS - Isaac Newton: One of History's Greatest Scientists By Marilyn Christiano and Frank Beardsley Broadcast: Wednesday, October 19, 2005 (MUSIC) VOICE ONE: This is Shirley Griffith. VOICE TW

发表于:2018-12-01 / 阅读(304) / 评论(0) 分类 Explorations

Lesson 38 Text A Can't She Type? The well-known banker, T. J. Ellington, was at one time in his younger days the manager of a New York office. His secretary had been with him for many years, and knew

发表于:2018-12-02 / 阅读(382) / 评论(0) 分类 初级口语教程

Isaac Newton: One of the Worlds Greatest Scientists SHIRLEY GRIFFITH:This is Shirley Griffith. STEVE EMBER: And this is Steve Ember with the VOA Special English program, Explorations. Today we tell about one of the worlds greatest scientists, Isaac N

发表于:2018-12-16 / 阅读(164) / 评论(0) 分类 2011年VOA慢速英语(六)月

In 1970, the Soviet Union put a laser reflector on the moon, carried by a rover. A few months later, it disappeared. Some speculated that the rover had fallen into a crater or parked in such a way as to render the reflector inaccessible. Now after 40

发表于:2018-12-24 / 阅读(208) / 评论(0) 分类 Scientific American(四)月

发表于:2019-01-02 / 阅读(341) / 评论(0) 分类 知性英语

The Making of Isaac Newton 牛顿+苹果=万有引力 Anyone who has ever gone to school is probably aware that Isaac Newton formed his theory of gravity after seeing an apple fall from a tree. This story is allegedly true. What is certain, howev

发表于:2019-01-02 / 阅读(200) / 评论(0) 分类 双语有声阅读

据《科学》杂志报道,苏联的月球车40年前在月球表面留下了激光反射器,虽然经过多年的搜寻科学家始终没有发现激光反射器的踪迹。 4月22日,一组物理学家终于发现了来自反射器的微弱闪

发表于:2019-01-02 / 阅读(237) / 评论(0) 分类 60秒科学

SHIRLEY GRIFFITH:This is Shirley Griffith. STEVE EMBER: And this is Steve Ember with the VOA Special English program, Explorations. Today we tell about one of the world's greatest scientists, Isaac Newton. (MUSIC) SHIRLEY GRIFFITH:Much of today's sci

发表于:2019-01-03 / 阅读(181) / 评论(0) 分类 2018年VOA慢速英语(九)月

Gain - This is an increase in signal power, due to a boost from an electronic device. Garbage - These are unwanted characters that appear because of either incorrect settings or noise. Gate - These ar

发表于:2019-01-03 / 阅读(212) / 评论(0) 分类 电信英语

Newton Faulkner虽然外表奇貌不扬,歌曲却非常动人心弦。1985年出生於英格兰Surrey的创作歌手。今年6月底发行第一张专辑《Hand Built by Robots》,也同时推出第二支单曲〈dream catch me〉,这首歌被BBC Radio 1的DJ Jo Whiley选出,获得很高的评价并且强力放送,也在

发表于:2019-01-11 / 阅读(235) / 评论(0) 分类 音乐咖啡厅

EXPLORATIONS - On the Shoulders of Giants: Isaac Newton and Modern Science SHIRLEY GRIFFITH: This is Shirley Griffith. STEVE EMBER: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell about one of the world's grea

发表于:2019-01-12 / 阅读(192) / 评论(0) 分类 2012年VOA慢速英语(五)月

[00:00.00]Lesson 30 [00:01.33]第三十课 [00:02.66]LIFE AT GATESHEAD HALL [00:04.51]在盖兹海德府的生活 [00:06.35]It was a cold winter day.The wind had brought dark clouds and heavy rain,so it was impossible to take a walk. [00:11.40]那是一

发表于:2019-01-15 / 阅读(295) / 评论(0) 分类 电视英语口语教材

By Larry London Washington 10 March 2008 Anyone who has ever been to Las Vegas, Nevada is aware of the popularity of Wayne Newton. Often referred to as Mr. Las Vegas, Newton has been performing there for over 40 years. Starting at age six, Wayne Newt

发表于:2019-01-16 / 阅读(174) / 评论(0) 分类 VOA标准英语2008年(三月)

LULU GARCIA-NAVARRO, HOST: Juliana Hatfield was a darling of the 1990s indie music scene. She played with the Blake Babies and Lemonheads, and she had a hit with this edgy pop song - My Sister. (SOUNDBITE OF SONG, MY SISTER) JULIANA HATFIELD: (Singin

发表于:2019-01-16 / 阅读(197) / 评论(0) 分类 2018年NPR美国国家公共电台4月

The Five-hundred-meter wide Aperture Spherical Telescope, or FAST, is now operational in the mountains of Guizhou in southwest China. FAST has been designed to help Chinese researchers better understand our universe, as well as probe the cosmos for e

发表于:2019-01-19 / 阅读(233) / 评论(0) 分类 2016CRI中国国际广播电台

Bart's upstairs neighbor was driving him nuts. He made all kinds of strange noises at all kinds of strange hours. If I tell my neighbor he's noisy, he won't believe me, Bart thought. He'll believe me only if he lives downstairs and hears himself upst

发表于:2019-01-22 / 阅读(190) / 评论(0) 分类 英文短篇故事(纽约)

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(234) / 评论(0) 分类 VOA常速英语2007年(十一月)

追寻阳光 Newton Faulkner - To The Light I'm taking a break because I'm losing it again And I wanna relate without you thinking I'm insane. Oh, it's the same another train. Just sitting around with record in my brain. You could have everything you

发表于:2019-02-03 / 阅读(224) / 评论(0) 分类 好听的英文歌曲

经典歌曲-清晨的天使Angel of the Morning Juice Newton 歌手:Juice Newton There'll be no strings to bind your hands not if my love can't bind your heart And there's no need to take a stand for it was I who chose to start I see no need to ta

发表于:2019-02-07 / 阅读(224) / 评论(0) 分类 经典英文歌曲

The construction of the project was started in 2011 with an investment of 1.2-billion yuan, or about 180 million US dollars. The 500 metre Aperture Spherical Telescope, or FAST, is the size of 30 football fields. It's located in a hollow that was for

发表于:2019-02-21 / 阅读(280) / 评论(0) 分类 2016CRI中国国际广播电台
学英语单词
a-shake
abemama (apamama)
abovenet
al abyar
anti-double-stranded dna antibody test
area chart
art of dynamic programming
asphyxia carbonica
atan
atchievement
automatic steering effect
belively
bradypepsy
Canarians
cavernogram
ceramic-faced glass
coupling
cross-eyed
dark-field
dashed off
decoration glass
dispersive transport
door-ways
emery tape
fax potato
ffi(free fluid index)
financial futures trading
flash light control box
flexible-magnet
four nature of drugs
general inattention
goat contagious pleuropneumonia
gradation unit
honour-bound
Hypericum wightianum
individual with severe handicap
instrument industryes
integral shroud
intra city
invisible waste
IPX
item default
kernel of a linear transtormation
La ___
lichenography
liquid zone control system
loss coefficient U
loveless
m'lud
maceration tank
malt mash
margovula tinctilis
metaphysitian
middle cerebellar peduncle
millson
minimum application process
mocketer
molal fraction
multieffect vacuum distillation process
mummy wheat
neat's-tongue
nexum
OSF (onsite facility)
out-of-staters
ovenbottom
overload interlock x-ray unit
overprogram
paper bushing
PC (programmable controller)
perforating granuloma annulare
phytometer
Ponerorchis taiwanensis
practical working model
pre-conscious
protoconule
pulping
reserve for retirement allowances
residual coupling constant
retraction ring of uterus
Scrophularia oldhami
secund-
semitangents
serenos
service channel
shit hit the fan
sourbelly
source function
subvocal
sulfide (sulphide)-oxide shell
sullies
system symbol
ten-inch
thread take-up tension lever washer
thread-needle
tower excavator
Traube's semilunar space
unbitted
under-graduate
war aim
weathering clay body
Wedron
zolin