时间:2019-02-21 作者:英语课 分类:英闻天下


英语课

   NASA has announced that an Asteroid 1 will pass closer to Earth than the TV satellites that surround the planet.


 
  NASA says that the celestial 2 visitor has no chance of impacting the Earth and is known as 2012 DA14.
 
  A group of amatuer astronomers 3 discovered the asteroid in Spain last year.
 
  NASA astronomor Donald Yeomans says there's nothing to worry about:
 
  "We understand its orbit extremely well and we can say with great confidence that there is no chance of hitting the Earth and the chances of hitting the satellite are negligible."
 
  2012 DA14 is about the size of an Olympic swimming pool and will come as close as 17 thousand miles from Earth.
 
  Television, weather and communications satellites fly about 500 miles further away.
 
  In 1908 a comet or asteroid exploded over Siberia levelling over 80 million trees over 2,000 square kilometres.

n.小行星;海盘车(动物)
  • Astronomers have yet to witness an asteroid impact with another planet.天文学家还没有目击过小行星撞击其它行星。
  • It's very unlikely that an asteroid will crash into Earth but the danger exists.小行星撞地球的可能性很小,但这样的危险还是存在的。
adj.天体的;天上的
  • The rosy light yet beamed like a celestial dawn.玫瑰色的红光依然象天上的朝霞一样绚丽。
  • Gravity governs the motions of celestial bodies.万有引力控制着天体的运动。
n.天文学者,天文学家( astronomer的名词复数 )
  • Astronomers can accurately foretell the date,time,and length of future eclipses. 天文学家能精确地预告未来日食月食的日期、时刻和时长。 来自《简明英汉词典》
  • Astronomers used to ask why only Saturn has rings. 天文学家们过去一直感到奇怪,为什么只有土星有光环。 来自《简明英汉词典》
学英语单词
adelogenic
angiosclerotic myasthenia
applictions
appointings
axial force of rail
baseball-related
be alive to
block cipher system
burgeri
cavenger jig
celling rate
cheongsam
chive
chrome bleaching
chrysanthemaxenthin
closing error in coordinate increment
coleosporium clematidis barclay
contact loss
continuous-wave interference
cooperative enterprises
data collection facility
dessert fork
dysluite
electrophoresis force
Epist.
erratic flow
event horizon
excitancy
fillmass chute
flat-platform body
floor-operated crane
goldchip
Gui Xian
half a loaf is better than none
harry
heat in the exterior
hidden reserve
hydrochlorothiazides
i-telle
Indigofera muliensis
informatical
information quantity
itbs
jacky 2,Jacky
kickiest
Kivitoo
lanting
law of independent assortment
lionskin
loading sequence
make system
mohnyins
morpholinobiguanide
moveout correction
myelosclerotic
naturalistic conception of definitions
Neocinnamomum
New Forest pony
non-deterministic space complexity
non-self-luminous object
option buyer
patchlike
peak magnetizing force
phagostatin
phase-shifter
physical loss or damage
pole-plate
powersafes
pump discharge manifold
pushing rod jack
Pyrenaria
quaking puddings
rackingly
radar equipment feeding
residual cake valve
resistivity sounding configuration
Riccitensor
sea monkeys
secondary acid
sensitive plant
separate regenerative chamber
severe heat stroke
short land memo
ssfa
stress-relaxation modulus
sualci venosi
suckled
take care tonight
tender chafing block
thymolytic
timed indefinite shipment
top needle
transition process
transparence diaphaneity
undefeatableness
unionless
unit of budget
valvulotomies
without much further ado
WSBA
Xuan Phu