[化] 倒像棱镜

The Pentagon says the US and coalition partners are carrying out air strikes against Islamic state extremist ISIS in Syria. A new front of US operation against the militants. The strikes are sent on Raka where ISISs headquarters are. Canadian border

发表于:2018-12-02 / 阅读(199) / 评论(0) 分类 2014年NPR美国国家公共电台9月

by Jason Marshall A few months ago we talked about how to multiply fractions. Now that were comfortable doing this and weve talked about a few applications of multiplying fractions such as how to convert units and how to estimate how fast someone is

发表于:2018-12-07 / 阅读(177) / 评论(0) 分类 数学英语

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(190) / 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(181) / 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(198) / 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(170) / 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(228) / 评论(0) 分类 英语娱乐八卦

Animals can predict natural disasters 动物能够预知自然灾害 There is no evidence that animals possess a mysterious sixth-sense allowing them to predict natural disasters. Their keen senses of smell, hearing, and sharp instincts alone are eno

发表于:2019-02-01 / 阅读(416) / 评论(0) 分类 实用英语

Educational psychology 教育心理学 Now you know 现在,你要知道 When should you teach children, and when should you let them explore? 什么时候应该告诫孩子,和什么时候应该让孩子自己摸索? It is one of the oldest deb

发表于:2019-02-16 / 阅读(164) / 评论(0) 分类 经济学人科技系列
学英语单词
accendible
albu-
arthropathy
atlantoaxial joint
axialite
batching with a control total
birds-eyes
blatchford
bollard bitt
BSAS
butcher paper
carbon dioxide complex
ceiling manhole
cellular pyrite (marcasite)
cetolith
chorros
church commissioners
cinchomeronic acid
cinchona barks
citren
Cologne Reinsurance Company
contactless controller
cool-water
CR production
dehiscent capsule
DHRP
direction finder sensitivity
dithionthreitol
doppler sound navigation system
elayne
electronystagmogroaphy
epicrates cenchria
external economic variable
fafard
fair weather cumulus
fixed carrier
genus Calopogon
glialest
gynaecia
halling (norway)
handymen
herbaceous vegetation
Hopkins, Mt.
horizontal maxillary osteotomy
horse-litter
indireet symptom
integrons
Johannesburg
La Croix-St-Leufroy
Laptev Log
learning areas
linearispiculatus
Liparis bootanensis
make his compliment to
median plug
melvins
minimum perceptible colour difference
nearby telephone number
network isolation circuit
or even
overleaning
past bearing
peark
pereopods
perfectissimates
perineorrhaphies
powder keg
print-shops
processing of data
radiansphere
radiotropospheric duct
reason analysis
reating
reflected ripple current
reoffered
rete-
ridge-top trench
right of lien
seed reservation
self-management skill
sensate focus
serazapine
Short book
spear-rib
stable gears
steeliness
step costs
subministrations
superaspirin
suspended mixture
swap left/right buttons
talipots
tap ass
tipentosin
Torlakians
trailblazer
unicompartmental
vacuum refrigerating machine
voegelin
water fountain
yellow oxeye