空对空表面发射机

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(50) / 评论(0) 分类 2018年NPR美国国家公共电台11月

By Paul Sisco Washington 13 July 2007 NASA scientists have unveiled details of the space agency's plans to pierce the icy surface of Mars, near its north pole. The mission is designed to find evidence of water or life on the red planet. VOA's Paul S

发表于:2019-01-07 / 阅读(76) / 评论(0) 分类 2007年VOA标准英语(七月)

China's first Mars voyager mission is expected to be launched around 2020 and reach the Red Planet a year or so later. The computer generated images unveiled by the Chinese State Administration of Science, Technology and Industry for National Defense

发表于:2019-01-19 / 阅读(47) / 评论(0) 分类 2016CRI中国国际广播电台

The U.S. space agency(代理中介) has released the first ever image taken of the surface of Mercury from a spacecraft orbiting the planet. The black and white image, posted on the NASA website Tuesday, shows a surface pocked with craters of varying

发表于:2019-01-31 / 阅读(63) / 评论(0) 分类 英语新闻

WASHINGTON, July 31 (Xinhua) -- U.S. space agency NASA on Tuesday confirmed its most advanced planetary rover, Curiosity will land on the Martian surface at 1:31 a.m. EDT (0531 GMT) on Aug. 6 and the landing process will be broadcast live from Times

发表于:2019-01-31 / 阅读(89) / 评论(0) 分类 英语新闻

The American space agency NASA had expected its rover called Opportunity to operate on Mars for just 90 days. But the vehicle kept exploring for 15 years after landing on the red planet. Opportunity landed on Mars in 2004. Scientists finally lost con

发表于:2019-02-24 / 阅读(35) / 评论(0) 分类 2019年VOA慢速英语(二)月
学英语单词
'Twas the Night Before Christmas
aestheticss
algaebacteria symbiotic system
Bear Put Spread
biological signal processor
C-bombs
carboxy(l) group
central-nervous-system
central-place
chromatinolysis
ciudad del maiz
clew down a sail
computing sight
copying error
cosmic-ray
coupled planting
cyprinocirrhites polyactis
deoxytetrodotoxin
desire line
destination code base
dextrosulfenidol
dimethylPhenyliminothiazolidine
docket congestion
Dog returns to its vomit.
Domingo, de Guzman
ef-in'
ekstrand
epigone
esthesiogen
expanding product
Eytie
factor antithesis
fdi (field disposition instruction)
fenerbahce
first rice crop
flip chip-plastic grid array
free as the wind
front-axle
Goodnews R.
great significance
herbose
Heuser membrane
hicimos
hofmannite (hartite)
homogeneous complex random function
hunting cog
ice core
in the hour of need
input-output technique
keep secrecy about
land under cultivation
laser threshold power density
local field theory
millimeter wave modulation/demodulation
mislocutions
native methods
Nematodirus
nie
Nordre Kvalφy
ocular micrometers
ordinary integral manifold
out migration
out-city
Palestinkians
para.s
paramelitids
Pareteral
Philleigh
Philomena
pilchards
plate form gage
predentary
pressed sardine
putrefactive bacteria
range of fluctuations among European snake currencies
rye grass
san esteban de gormaz
sdet
sea approach
secure archival storage system
selenochronology
seven-hour
sex-segregated
shore pipe line
sine-wave frequency
sod-all
sollman
spider wasps
squamosals
sternberg-reed cell
stinking smuts
stomatosis
strombus erythrinus
sun spiders
swelling expansion
thin shell construction
thirlwall
trimethylgalloyl azide
trunnion discharge mill
When fortune smiles,embrace her.
where is this coming from
without effect