[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(189) / 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(167) / 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(180) / 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(175) / 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(187) / 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(162) / 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(217) / 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(408) / 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(157) / 评论(0) 分类 经济学人科技系列
学英语单词
Acuotricina
adherent leucoma of cornea
air saltpeter
air sinus
alcoholic anonymity
allelochemicals of hostplant
anabolic
anaphylatoxin inactivator
anatexis
anion-resin exchange
astronaut training
bleaching lye
Boston, Ralph
box frame
box-shape construction
Brazilian butts
cancerophobia
chalutzim
Chloranthus holostegius
colour-de-roy
committee nomination method
coryphaenidaes
costume design
crude oil working tank
CSPO
dereification
dunn bass
etched circuit board
filling-face
fluidized bed calciner
foundation of the national economy
Fundición
gurging
haircurlers
have the sole right of selling
huyr
hydrofinishing
hydroplutonic
index warrant
infinite dimensional probability space
interference sphere
isamfazone
jamming equipment
knock one's block off
laurene
lobula plate
log exposure range
Loudon
low-melting-point eutectic
Mabelvale
magnetic oxygen meter
Manguéni, Plat.du
materfillon
melanoxylons
membranous ventricular septal defect
methyl dichloroacetate
minimum distance
Mirandian
Mpongwe
multiperiod relation
nger
Nonne-Apelt reaction
of respiration diagram
oil immersion objective
operator information area
orbital eminence
oversedating
percontatorial
physics of dielectric solid
physodalin
pjp
plasmature
primary sporidium
priority bond
ray-grass
research-driven
Ricco's law
riteches
Roman civil Wars
rorschach inkblot test
run up a score
Saxton Seamount
scaphandre
Schwann's cell
sea barge transportation ship
shared main storage multiprocessing
shared memory protocol
Singapore Strait Times Index
Sly.
solid solution heat treatment
solubly
spider wheel
system of reward
think-pair-share
timing toothed pulley camshaft
town-wall
transitive grammar
transpool
triadic
vv. profund? femoris
write logic
yblest