菲涅耳棱镜

STEVE INSKEEP, HOST: Just about every American adult has heard the names Roe and Wade. Roe v. Wade was the 1973 Supreme Court decision legalizing abortion in the United States. Not so many people know about the real people involved, and now a new pla

发表于:2018-12-17 / 阅读(444) / 评论(0) 分类 2017年NPR美国国家公共电台1月

The Government Communications Security Bureau (GCSB) is our spy organisation. At the moment, it can only legally spy on foreigners in New Zealand. However this organisation made a mistake spying on Kim Dotcom because he is a permanent resident. Also,

发表于:2018-12-31 / 阅读(465) / 评论(0) 分类 新西兰英语

Spectrum 光谱 Do you know what a spectrum is? 你知道光谱是什么吗? It is a series of colored lights. 它是复色光。 How can we see a spectrum? 我们怎么能看到光谱? When you see sunlight through a prism, you may see a rainbow

发表于:2019-01-10 / 阅读(486) / 评论(0) 分类 与美国小学生一起学英文第11册

Prisms 棱镜 Why can we see rainbows after rain? 我们雨后为什么能看到彩虹? We can see rainbows after rain because droplets of moisture in the air work like a big prism. 这是因为空气中的水滴就像一个大棱镜。 So what is

发表于:2019-01-10 / 阅读(416) / 评论(0) 分类 与美国小学生一起学英文第10册

歌曲:Katy Perry-Roar Roar, the first cut off of Katy Perry's upcoming album Prism, hit the airwaves last week and went right to the top of the Billboard charts (for digital songs). One person who is particularly fond of the song (besides everyone

发表于:2019-01-10 / 阅读(516) / 评论(0) 分类 英语娱乐八卦

The search for alien life 寻找外星生物 Twinkle, twinkle, little planet 闪烁吧,小行星 An undervalued optical trick may help to find life in other solar systems 一个不被人重视的光学方法可能能帮助寻找其他太阳系的生命

发表于:2019-02-16 / 阅读(424) / 评论(0) 分类 经济学人科技系列

Science and technology. 科技。 The search for alien life 寻找外星生物 Twinkle, twinkle, little planet 闪烁吧,小行星 An undervalued optical trick may help to find life in other solar systems 一个不被人重视的光学方法可能能

发表于:2019-02-18 / 阅读(402) / 评论(0) 分类 经济学人综合
学英语单词
a woman of letters
abelmoschus crinitus wall.
abeyances
abrasive type rice whitener
accelerating pump cover
acetylactone
adjustment notch
articulatory systems
auto factories
Beal Ra.
Būr Sūdān
called process
chrysography
close-fitting surfaces
co-species
constant frequency variable speed
contributed surplus
coordination compund
damage cycle
data sampling
delbert
demur to
dexifying
ecosanctuaries
engineering food
finishing groover
fixed cost on flexible budget
Flynn effect
forty-four repeater
frontier sore
fuse breaker
gangliocytes
garrod's pads
get ahead
gone crazy
gosford
guiding mark
holophrases
identifications
inductomeric
infraction of turbinate
inodiate
integrin
international banking act (1987)
intestinal blind loop syndrome
invariant angular momentum
ionosphere storm
Isopropylgallate
Khannakh
Kriplex
laboratory school of university of chicago
ladder rope
laser airspeed indicator
Little strokes fell great oaks
make my market of
marginal propensity to produce importables
Marzahne
melodramatized
mesokaryote
micro-bore heating system
minimal eigenvalue
mismigrated
Ndonga
Nojima-zaki
not care a hang
old crate
PHIBRAIDEX
phonephrosis
ppth (parts per thousand)
principle addition canonical expansion theorem
privacy lock
process regulation
prolate tractrix
scale ruler
scamorza
sea pinks
sending-receiving
sensitized cells
Shabartayn Dugang
sielaff
single-phase saturable reactor
smooth-section sickle
socie
socket washer
specialized information centre
spheric luminosity of light
spilanthol
star map
stub goods yard
submersible decompression chamber
tetraphis pellucida
transformed lattice structure
treating solution
truck load cargo
turbine outlet pressure
umayyahs
unhugged
v1 certificate
well-found ship
Wernigerode
westlinks
wigwag