菱形棱镜,菱面体棱镜

Now, I want you to remember that no bastard ever won a war by dying for his country. He won it by making the other poor dumb bastard die for his country. Men, all this stuff you've heard about America not wanting to fight, wanting to stay out of the

发表于:2018-12-04 / 阅读(209) / 评论(0) 分类 名人演讲

Rho Ophiuchi dark cloud is one of the closest star-forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. The infrared astronomical satellite, now celebra

发表于:2018-12-05 / 阅读(228) / 评论(0) 分类 国家地理2008年

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

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-30 / 阅读(176) / 评论(0) 分类 单词解析速记

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

Grammar Girl here. Today well be talking about indefinite pronouns such as everyone and somebody. Now, guest-writer Bonnie Trenga writes, Everyone Versus Everybody Lately, listeners have asked a lot of questions about indefinite pronouns, such as eve

发表于:2019-01-02 / 阅读(199) / 评论(0) 分类 英语语法 Grammar Girl

Grammar Girl here. Todays topic is when plurals have no singular. A listener named Brent called in with this question: I have a question: how come pants, trousers, slacks, corduroys are all plurals even though there is only one of them? Guest writer

发表于:2019-01-02 / 阅读(255) / 评论(0) 分类 英语语法 Grammar Girl

Todays topic is irregular plural nouns, odd nouns such as ox and oxen. Robbie from Keene, New Hampshire, called in with this question: One of my friends knows that I'm kind of geeky and into grammar and was asking me about adding the 's' onto words t

发表于:2019-01-02 / 阅读(164) / 评论(0) 分类 英语语法 Grammar Girl

Grammar Girl here. Todays topic is when plurals have no singular. A listener named Brent called in with this question: I have a question: how come pants, trousers, slacks, corduroys are all plurals even though there is only one of them? Guest writer

发表于:2019-01-02 / 阅读(191) / 评论(0) 分类 英语语法 Grammar Girl

Grammar Girl here. Today well be talking about indefinite pronouns such as everyone and somebody. Now, guest-writer Bonnie Trenga writes, Everyone Versus Everybody Lately, listeners have asked a lot of questions about indefinite pronouns, such as eve

发表于:2019-01-06 / 阅读(207) / 评论(0) 分类 英语语法 Grammar Girl

Chris: Hello and welcome to 6 Minute English from BBC Learning English. I'm Chris. Rosie: And I'm Rosie. Chris: Rosie, have you ever heard of the island of Tonga? Rosie: It sounds familiar, but Im not too sure where it is. Chris: Its a small South Pa

发表于:2019-01-07 / 阅读(194) / 评论(0) 分类 六分钟英语

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(199) / 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(230) / 评论(0) 分类 英语娱乐八卦

Trumbo Tells the Story of Blacklisted Screenwriter In 1950, the United States Congress tried to end the career of Dalton Trumbo, the highest-paid screenwriter in Hollywood. Now, that story is being told in the new movie, Trumbo. In 1947, Dalton Trumb

发表于:2019-01-12 / 阅读(180) / 评论(0) 分类 2015年VOA慢速英语(十一)月

GUY RAZ, HOST: Have you ever experienced hatred or - I mean, have you ever - I don't know. Has anybody ever said something to you because of who you are, because of your faith that has just been so incredibly hurtful? DALIA MOGAHED: Yes (laughter), a

发表于:2019-01-17 / 阅读(204) / 评论(0) 分类 2017年NPR美国国家公共电台4月

Pollster Dalia Mogahed 分享了一些关于埃及人对于阿拉伯之春的态度的令人意外的数据主要集中于女性在导致变革中起到的角色。

发表于:2019-02-05 / 阅读(266) / 评论(0) 分类 TED公开课:告女性说

BEIJING, Nov. 18 (Xinhua) -- Chinese State Councilor Ma Kai on Sunday met with visiting Comptroller General of the United States Gene L. Dodaro. Ma said the increase of communication on auditing between China and the United States will help promote t

发表于:2019-02-08 / 阅读(167) / 评论(0) 分类 英语新闻

LOS ANGELES, June 23 (Xinhua) -- ABC's General Hospital won its record 11th Daytime Emmy Award for Outstanding Drama Series here Saturday together with other four trophies, becoming the biggest winner of the night. Anthony Geary, who has been the lea

发表于:2019-02-18 / 阅读(351) / 评论(0) 分类 英语新闻

Transcript for Reference Only --chunshan The infrared astronomical satellite, now celebrating its 25th anniversary, gave us the first all sky view of our dusty infrared universe. Floating above the galactic center is the Rho Ophiuchi Cloud, about 400

发表于:2019-02-26 / 阅读(286) / 评论(0) 分类 自然百科2008年
学英语单词
1-nitro-2-naphthylamine
alfassi
amaurobiid
anticlericalists
atelocheilia
bc fracture
buoy-to-buoy time
cardinal principle
condensed profile
conference-room
configuration factor
contractual obligation
corpulentness
country debt provisioning
cureall
defolliculating
delta-shaped region
developed template
development sample
digital output timer
digmose
distribution amplifier
dryline
educational ergonomics
fast-expandings
filipendula
flat wave
fonten
Gastrochilus sinensis
gever
go hand in hand
habit-plane
hand-carrying
handicraft factory
having a look
herrerasauruss
herschell
hollow edged electrode
hot charging
hurrah's nest
hydraulic soundness
hypereutectic cast iron
infant formula
interchromosomal
jetengine
juxtaglomerular apparatus
keyservers
Kintail
lentigo
loan value of life insurance
long term running test
mineral separation technology
motor with combined ventilation
mutasarrif
naevi spongiosus albus mucosae
Nullur
olfend
oscine birds
otology
outbound lane
Palawan bearcats
paleogenetics
pass judgement
Penicillium camemberti
photothermoplastics
politickings
polymethyl
programmable electronic subsystem
punishability
Real return
record card
reprogrammable
SBPA
Scenario Objectives
security holder
self-moving mould dragger
semi-closed feed system
sensitivity of instrument
shunt metabolism
skate through
so...that
stammerers
startler
super-massive
syma
temperature difference electromotive force
Tianchi
time-of-flight spectrometer
toxinogenic
trionychid
trip trip
tubectomies
tuk tuks
tussigenic
U'flow
ultrasonic level gauge
Urethrolithotomy
Veterinary Medicine Bulletin
water connate
work out at
wrester
xylophory