科镍合金反射层

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(122) / 评论(0) 分类 Scientific American(四)月

好莱坞演员西恩宾(Sean Bin)回顾了滑铁卢这一历史上最具决定性之战役的故事。在影片中,他将引述那些当时参战的普通士兵的实际经历来讲述发生在1815年6月18日这一天的极具戏剧性的事件

发表于:2018-12-27 / 阅读(74) / 评论(0) 分类 探索与发现2015年

-French colonies are now reaching for the front line of the ally position, famous sunk lane, as you can see, just here. It was actually slightly deepen underneath those -...looks quiet. -It looks quuiet, but it's no quiet. There's a little bank just

发表于:2018-12-27 / 阅读(77) / 评论(0) 分类 探索与发现2015年

好莱坞演员西恩宾(Sean Bin)回顾了滑铁卢这一历史上最具决定性之战役的故事。在影片中,他将引述那些当时参战的普通士兵的实际经历来讲述发生在1815年6月18日这一天的极具戏剧性的事件

发表于:2018-12-27 / 阅读(103) / 评论(0) 分类 探索与发现2015年

好莱坞演员西恩宾(Sean Bin)回顾了滑铁卢这一历史上最具决定性之战役的故事。在影片中,他将引述那些当时参战的普通士兵的实际经历来讲述发生在1815年6月18日这一天的极具戏剧性的事件

发表于:2018-12-27 / 阅读(96) / 评论(0) 分类 探索与发现2015年

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(151) / 评论(0) 分类 60秒科学

Welcome to Words and Their Stories, from VOA Learning English. On this program we explore the origin and history of American expressions and teach you how to use them. Today we focus more on history than usage. We are going to answer an age-old quest

发表于:2019-01-02 / 阅读(134) / 评论(0) 分类 2017年VOA慢速英语(七)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(129) / 评论(0) 分类 电信英语

By Kurt Achin Seoul 27 September 2006 For an increasing number of South Koreans, being a family man means seeing less of the family than ever before. Many South Korean fathers stay at home and work while they send their wife and children abroad - of

发表于:2019-01-09 / 阅读(190) / 评论(0) 分类 2006年VOA标准英语(九月)

Morganfield Channels Bluesman Dad on 'Son Of The Seventh Son' Muddy Waters or Mud Morganfield? Its almost impossible to tell. Of course, nothing would please Mud more than hearing people say he sounds just like his late father Muddy Waters on the tra

发表于:2019-01-13 / 阅读(120) / 评论(0) 分类 VOA标准英语2012年(三月)

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(154) / 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(113) / 评论(0) 分类 英文短篇故事(纽约)

好莱坞演员西恩宾(Sean Bin)回顾了滑铁卢这一历史上最具决定性之战役的故事。在影片中,他将引述那些当时参战的普通士兵的实际经历来讲述发生在1815年6月18日这一天的极具戏剧性的事件

发表于:2019-01-23 / 阅读(240) / 评论(0) 分类 探索与发现2015年

I am David Forays. Reporting Iranqi troops advanced into the centre of Romati. The troops return to reclaim the city which was lost to Islamic State militants. Seven months ago supports men for Iraqis counter-terrorism service says there was fighting

发表于:2019-01-23 / 阅读(96) / 评论(0) 分类 探索与发现2015年

好莱坞演员西恩宾(Sean Bin)回顾了滑铁卢这一历史上最具决定性之战役的故事。在影片中,他将引述那些当时参战的普通士兵的实际经历来讲述发生在1815年6月18日这一天的极具戏剧性的事件

发表于:2019-01-23 / 阅读(101) / 评论(0) 分类 探索与发现2015年

好莱坞演员西恩宾(Sean Bin)回顾了滑铁卢这一历史上最具决定性之战役的故事。在影片中,他将引述那些当时参战的普通士兵的实际经历来讲述发生在1815年6月18日这一天的极具戏剧性的事件

发表于:2019-01-23 / 阅读(111) / 评论(0) 分类 探索与发现2015年

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(139) / 评论(0) 分类 VOA常速英语2007年(十一月)

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(159) / 评论(0) 分类 2016CRI中国国际广播电台
学英语单词
acidophilic granulocytes
agency action
Aridye pigment padding
ball lapping machine
barriers
big-scale
bit planes
blumpkin
bufftin'
cape-sable
carboloy tetrachloride fire extinguisher
CBMM
celinda
cerous carbonate
checking deposit
chromic acid-strong phosphoric acid decomposition method
circularizable
collected amount of revenue
common education
coronobasilar
crumb crusher
cumulonimbi
decomposition coefficient
dehydrates
double block
eigenvalues of a matrix
EMP (electromechanical power)
EPXMA
eruption column
exploration expenditure
fibre-reinforced plastic
fluted disc
fully-on
h-plane horn
haixia
indirect user value
influence sweep
integrated propulsion and lift system
interference with the exercise of public functions
lamentedly
likelihood equation
linan
loppy
mandatory iodization
mastigopus stage
microcurrents
mode-converter
mountain disease therapy apparatus
multichip integration
multistage decoding
nestler
non-quantifiable
nontopographic photogrammetry
not quite the clean potato
nucleopolyhedrovirus
number of crosslinks
pan-pudding
pant.
pay one's dues
Pedicularis brachycrania
phenaxite (fenaksite)
phillipsites
photochemical sensitivity
phototherapy device
Pick up your ears
pickax, pickaxe
planarizes
protective therapeutic regime
psoriasis buccalis
Pushkin Fine Arts Museum
queueing
regular substitution group
required callback
right continuity
rigidises
risus sardonicus
sawdust board
scoop mark
Seyhan
SIPHONARIIDAE
smoke testing
squidulin
stained sap
stalk off
stictions
super-gun
taylors
thermogenetic
to the velvet
toll TV
torsion meter
transverse circulation
trash-talked
two-party sequential bargaining experiments
undelved
unkissably
vane-type compressor
vapor preheater
vertical rudder
vohra
walden pond
wouldingness