反射面

MICHEL MARTIN, HOST: Mars is about to get a new visitor from Earth tomorrow. If all goes well, a NASA probe called InSight will land near the Martian equator. Its mission is to study the interior of the planet. But, before it can carry out its missio

发表于:2018-12-18 / 阅读(202) / 评论(0) 分类 2018年NPR美国国家公共电台11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(205) / 评论(0) 分类 Scientific American(四)月

地道美语听力播客English as a Second Language Podcast (ESLPod),是一家位于美国加州洛杉矶的英语教育研究机构推出的英文听力会话,于2005年7月23日首播, 主播Dr. Jeff McQuillan为南加州大学的语言学博士

发表于:2019-01-01 / 阅读(208) / 评论(0) 分类 地道美语播客

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(225) / 评论(0) 分类 60秒科学

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(204) / 评论(0) 分类 电信英语

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(227) / 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(187) / 评论(0) 分类 英文短篇故事(纽约)

The National Oceanic and Atmospheric Administration (NOAA) confirms that some of the oil escaping from that ruptured well in the Gulf of Mexico is staying beneath the surface, raising new environmental concerns about the disaster. BP says there is no

发表于:2019-01-30 / 阅读(206) / 评论(0) 分类 VOA标准英语2010年(六)月

Climate change negotiators from 173 countries have agreed on an agenda after days of bickering over the scope of talks left little time for substantive discussions. The disagreement highlighted deep divisions between developing and rich countries on

发表于:2019-01-30 / 阅读(203) / 评论(0) 分类 英语新闻

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(228) / 评论(0) 分类 VOA常速英语2007年(十一月)

Marit Larsen 从那个红遍全球的少女组合M2M里走出来的Marit Larsen并没延续M2M的流行摇滚,而是选择了清澈的民谣曲风,用她时而俏皮时而的甜蜜的嗓音来吟唱她自己写的小曲儿,带给听者如沐春风的清新感觉。 中英歌词: It's such a funny sensation to be so happy that

发表于:2019-02-06 / 阅读(229) / 评论(0) 分类 音乐咖啡厅

LOS ANGELES, June 18 (Xinhua) -- Microsoft Corp. unveiled Monday a family of tablets dubbed Surface, built on Windows 8, at an event in Los Angeles. Microsoft Chief Executive Steve Ballmer introduced the company's Surface family of tablets. The devic

发表于:2019-02-17 / 阅读(207) / 评论(0) 分类 英语新闻

图片1 图片2

发表于:2019-02-19 / 阅读(228) / 评论(0) 分类 加州英语分级G6

图片1 图片2

发表于:2019-02-19 / 阅读(278) / 评论(0) 分类 加州英语分级G6

图片1 图片2

发表于:2019-02-19 / 阅读(220) / 评论(0) 分类 加州英语分级G6

图片1 图片2

发表于:2019-02-19 / 阅读(217) / 评论(0) 分类 加州英语分级G6

图片1 图片2

发表于:2019-02-19 / 阅读(217) / 评论(0) 分类 加州英语分级G6

图片1 图片2 图片3 图片4 图片5

发表于:2019-02-19 / 阅读(225) / 评论(0) 分类 加州英语分级G6

图片1 图片2

发表于:2019-02-19 / 阅读(206) / 评论(0) 分类 加州英语分级G6

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(273) / 评论(0) 分类 2016CRI中国国际广播电台
学英语单词
0718
a fine man
acute anxious feeling
Aerdenhout
AFCCC
aid-worker
airs cryogenic aerosol processor
ammonia pump
amount paids
anode segment
attainment quotient
autonomous computer
bimillennial
boat person
Bragg ionization curve
brush saw gin
Buxtehude, Diderlk
cineholography
circuit breaker oil
circumdate
clomegestone
codefile
combustion tube cooling
Crucianella
cryomachining
d-aurotensine
de-activated
depairing
dinsome
Dioro
double contact wires
drumbeaters
education grant
emphysematous asthma
endoscopic insertion tube
erythropia
explosion compacting
extensible markup language remote procedure call
fictitious current
fish house punches
forward declaration
Fresnel zone plate
hassinger
high-data rate laser system
I have some dress to send to the laundry
infectious conjunctivitis
iron trap
isosceles turning block linkage
kandies
Keur Massène
knew how the wind blows
life cycle cost estimation
liquor natrii hydroxidi
low speed vehicle lane
Maddox rod
Makharadze
man-birds
Methylergobrevin
mild abrasive
milos
multiplexing amplifier
municipal benefit
mutandum
near-mature forest
north lobe
oblique-wing twin fuselage
oilfired
outer head seal ring
pentis
pithy core
pocohontas
prosopantritis
rabbit-skin
rear supply
reciprocal algebra
ruthenium disulfate
sea water permeability
semi-free stone
sets me back
short wave oscillator
Sorbaria arborea
south of china
spoilage organism
square oil stone
steam water separator
tenq
thionyl chlorobromide
trailer label format
transmission dead time
true absorption coefficient
ultimate bearing strength
unable
unwarn
us -skinned
Veckerhagen
velite
ventral hysterosomal seta
verisimilitudinary
warp direction
waxy leaves
work-attitude
wrisoune