光束组合棱镜

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(152) / 评论(0) 分类 2017年NPR美国国家公共电台1月

beam, [bi:m] n 大梁(建筑中用作支撑的木材、金属或石头);光柱;臀围;平衡木 【船】横梁; 船幅; 船舷 (秤)杆; (犁)柄; (锄)把; 卷轴; 横杆; 杠杆 (鹿角的)主干 (灯光、日光、月光等的)束, 道,

发表于:2018-12-30 / 阅读(146) / 评论(0) 分类 不择手段背单词

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(154) / 评论(0) 分类 新西兰英语

1. Authorities in Utah say they found no signs of six trapped miners when they lowered a camera down to where they think the men are located. This is their second effort to make contact with the men. Yesterday a microphone was lowered down to a separ

发表于:2019-01-08 / 阅读(208) / 评论(0) 分类 美联社新闻一分钟2007

[00:00.00]change one's mind anyhow argument misunderstanding [00:05.09]改变注意 ad.不管怎样 n.辩论 n.误会,误解 [00:10.19]ashamed Cincinnati counter disappointment [00:14.72]a.惭愧,害臊 n.辛辛那提(美国城市) n.柜台 n.失望;

发表于:2019-01-08 / 阅读(322) / 评论(0) 分类 高中英语词汇

Bob Beamon established himself as the favourite in the 1968 long jump by winning 22 of 23 meets in the pre-Olympic season. He almost met with disaster in the qualifying round. After fouling his first two attempts, he had only one try left. His teamma

发表于:2019-01-08 / 阅读(212) / 评论(0) 分类 英美文化

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(149) / 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(142) / 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(195) / 评论(0) 分类 英语娱乐八卦

This is the VOA Special English Health Report. Governments, businesses and other groups have promised to add three billion dollars to the fight against malaria. The promises came last week at a meeting at the United Nations in New York. The money wi

发表于:2019-01-11 / 阅读(162) / 评论(0) 分类 VOA慢速英语2008(十)月

Right on the beam To fly by the seat of his pants 美国英语当中有许多成语和俗语都和过去的历史有关系。例如,美国开拓西部的过程给美国语言增添了不少色彩。可

发表于:2019-01-14 / 阅读(224) / 评论(0) 分类 美国习惯用语

A: I'd like to order a restock on my minibar. B: You finished everything in there, sir? A: Absolutely everything. B: What would you like to order? A: Three bottles each of Perrier and Jim Beam. B: Uh-huh. What else do you want? A: The apples were gre

发表于:2019-01-15 / 阅读(172) / 评论(0) 分类 英语情景对话-旅馆

A: I need my minibar restocked. B: Everything is gone, sir? A: There's not a drop left of anything. B: Is there anything in particular you'd like? A: Yes, the Perrier and the Jim Beam hit the spot. Let me have three more of each. B: Got it. Anything

发表于:2019-01-15 / 阅读(152) / 评论(0) 分类 英语情景对话-旅馆

A: Hi. My minibar is empty. B: You already finished off everything, sir? A: I finished off everything. B: Would you like anything in particular? A: The Perrier and the Jim Beam. Let me have three more of each. B: Beam and Perrier. Anything else, sir?

发表于:2019-01-15 / 阅读(155) / 评论(0) 分类 英语情景对话-旅馆

A: Hello! How do I restock my minibar? B: You've drunk everything, sir? A: I finished it all. B: Do you want the whole minibar, or just certain items? A: Send me up three bottles each of Perrier and Jim Beam. B: That's three Jim Beams and three Perri

发表于:2019-01-15 / 阅读(166) / 评论(0) 分类 英语情景对话-旅馆

A: My minibar is completely empty. B: Everything in that minibar has been consumed, sir? A: Everything's gone. B: Is there anything special you'd like? A: Just bring me three bottles each of Jim Beam and Perrier. B: Okay, sir. Three of each. Would yo

发表于:2019-01-15 / 阅读(169) / 评论(0) 分类 英语情景对话-旅馆

smirk vi.傻笑; 假笑着说; grin v. 露齿而笑,咧着嘴笑 beam vi. 照射;堆满笑容 laugh v.哈哈大笑 register vt.表示,表达; (感情) 流露; 如果单纯从中文的翻译还是很难深刻理解这几种笑的不同,可以

发表于:2019-01-17 / 阅读(139) / 评论(0) 分类 卡卡课堂早餐英语

1. 动词be的否定式 动词be根据不同的人称和时态可以有am, is, are, was, were等不同形式,可用作连系动词(表示是、在等)和助动词(用于构成进行时态和被动语态等),但不管何种情况,构成否定式时

发表于:2019-02-02 / 阅读(110) / 评论(0) 分类 实用英语

If you are someone who types a furious text message, only to reconsider and edit it before hitting send, you may be in trouble. The Beam Messenger app shows everything another person is typing in a text message as they type it. This means that if you

发表于:2019-02-06 / 阅读(117) / 评论(0) 分类 阅读空间

1.poker face 面无表情的人 例如: I never know whether my boss likes my work or not -- he is a real poker face! 我从来也不知道我的老板到底喜不喜欢我的工作。他脸上可真是一点表情都没有。 2.The shoe is on the

发表于:2019-02-09 / 阅读(170) / 评论(0) 分类 阅读空间
学英语单词
adiantum capillus - veneris
algo-sniffing
Aquilaria agallocha Roxb.
arch roof truss
Aspres
Ave Mary
base freeboard
blitheness
boidinia luteola
boiling coefficient
cable sling
canderos
cardioangiography
cattle manifest
chanks
circulating water main
cleared off
clippies
coleges
congenital dislocation of knee joint
core induction
crystal shape
crystal speaker
cylindera kaleea kaleea
cynomorium coccineum l.
dacyoma
dead spring
depreciation composite life
document name
eruca
expansion of the universe
exterior beam
forestness
haemolytic jaundice
heat flux density
heat of sorption
horizontal industrial linkage
horse power nominal
hydrogen 21-centimeter line
hyperovarism
inosine(I)
instops
joint coordination center (jcc)
Kamchadal
lhasa
main contractor
main slant
maldison
maoriss
master telephone transmission reference system
Mazus miquelii
melanisms
membrana obturans
metal-film resistor
micro-management
molecular spiral
monogenic dye
motor speed
nonspacing
page impression
paving course
peak-peak load
perhapses
photonic crystal
pieons
pin cherry
pneumatic cactus grab
politicos
process of circulation
public interests
put up a struggle against
queat
radix converter
resurrectable
rotation energy
Scipio, Publius Cornelius Scipio Africanus Major
security of information system
shakers
single strand conformation polymorphism
software kit
speed course latitude error
sports jackets
spy camera
square-root transformation
squeeze-wheel lifter
stalkinghorses
Standard and Poor's Index
stream driving
tank bottom water
tea-cup
the blazes
truck transit mixer
uku
venae hepaticae
vibro-sounding rod
vicaried
wall body
Wigand's maneuver
winx
wire bending pliers
Wādī Jīmal, Jazīrat
Young's test