时间:2018-12-30 作者:英语课 分类:托福听力短文


英语课

(woman) Most people think of astronomers 2 as people who spend their time in cold observatories 3 peering through telescopes every night. In fact, a typical astronomer 1 spends most of his or her time analyzing 4 data and may only be at the telescope a few weeks of the year. Some astronomers work on purely 5 theoretical problems and never use a telescope at all.


You might not know how rarely images are viewed directly through telescopes. The most common way to observe the skies is to photograph them. The process is very simple. First, a photographic plate is coated with a light-sensitive material. The plate is positioned so that the image received by the telescope is recorded on it. Then the image can be developed, enlarged, and published so that many people can study it.


Because most astronomical 6 objects are very remote, the light we receive from them is rather feeble. But by using a telescope as a camera, long time exposures can be made. In this way, objects can be photographed that are a hundred times too faint to be seen by just looking through a telescope.



n.天文学家
  • A new star attracted the notice of the astronomer.新发现的一颗星引起了那位天文学家的注意。
  • He is reputed to have been a good astronomer.他以一个优秀的天文学者闻名于世。
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》
n.天文台,气象台( observatory的名词复数 )
  • John Heilbron, The Sun in the Church: Cathedrals as Solar Observatories, 3-23. 约翰.海耳布隆,《教会里的太阳:教堂即太阳观测台》,第3-23页。 来自互联网
  • Meteorologists use satellites, land observatories and historical data to provide information about the weather. 气象学家使用卫星、上天文台和历史资料来提供有关天气的信息。 来自互联网
v.分析;分析( analyze的现在分词 );分解;解释;对…进行心理分析n.分析
  • Analyzing the date of some socialist countries presents even greater problem s. 分析某些社会主义国家的统计数据,暴露出的问题甚至更大。 来自辞典例句
  • He undoubtedly was not far off the mark in analyzing its predictions. 当然,他对其预测所作的分析倒也八九不离十。 来自辞典例句
adv.纯粹地,完全地
  • I helped him purely and simply out of friendship.我帮他纯粹是出于友情。
  • This disproves the theory that children are purely imitative.这证明认为儿童只会单纯地模仿的理论是站不住脚的。
adj.天文学的,(数字)极大的
  • He was an expert on ancient Chinese astronomical literature.他是研究中国古代天文学文献的专家。
  • Houses in the village are selling for astronomical prices.乡村的房价正在飙升。
学英语单词
a kit
adjacent field-of-view method
aerofoil boat
air-guitared
apophyllites
auxiliary engine logbook
ballistic missile (bm)
baruti
Besselian
bickerings
bipolarize
blastidium
breathing losses
buying policies
cake permeability
combinatorial homology manifold
complete confounding
complicated dependence
computer aided structural detailing of ships
critical time
diaphragm type device
diffusion pressure
economic commitments
electromechanical amplifier
equation of mixed type
equilibrium depth
ERCP
ex-ex-gay
exanthium
fantaisie
fire coupling
gold-crowned kinglet
Golomoti
gomphodonts
grandma hypothesis
granular disintegration
Gulf oyster
gum damar
hello kitty doll
high-tension bus
immediate symbol
initiation reaction
isoheptyl alcohol
Iwimbi
keyed compound beam
lanita
leading wheels
let it go at that
linths
loading brigade
long haul network
lowering of track
lumbo-costal arch
lungfluke
lymphodermia perniciosa
magneto-optical disk
make a play for
marginal arid land
mental control
mobile bed
Mortiella vinaeea
mouse hare
mule-spinners' cancer
mushrooms and fish maw in soup
natural white
nivr
nolting
nonturbo
opposed-cylinder
ostabat
otzeniana
paper duster
parenchymal
pars nervosa
pearl-read curve
protospondylous
quested
radio link protocol
radium standard
secket
sectoral economics
skyscraper
slip yoke
sociophysicists
solved node
spread of separation
stemapod
SUBD
sulaimaniyas
T Tau star
tartrate nephritis
tele-operation
tergums
twin front wheel type
Umm Khayrān
unilateral system of tolerances
vaccum relief value
variable name
veste
wardrop
well production
well site calibrator