石英玻璃滤光片

[00:00.00][s],[ ][ ] [00:38.61]sea/sheet/chicken [00:42.66]Exercise One: Word Conparison [00:47.62]Listen to the following words from your tape and repeat. [00:52.98]sip ship sane shane watched washed [01:01.23]lass lash least leashed chin [01:09.09]

发表于:2018-12-03 / 阅读(232) / 评论(0) 分类 掌握英语发音

But the glyptodont wasn't a reptile. So what was it? There is a relative of the glyptodont thats still alive today. It's the armadillo and it's a mammal, the only mammal with this kind of armor in the whole of North America. It may give us some idea

发表于:2018-12-03 / 阅读(131) / 评论(0) 分类 探索与发现2012年

But the HEPA filter for Olivers Vibe got dirty very quickly. And, it was not cleanableit was simply replaceable. When it turned filthy brown, Oliver went back to Target to buy a new filter. Oddly, Target sold the F15 belt for the Vibe, but not the fi

发表于:2018-12-11 / 阅读(160) / 评论(0) 分类 365个英语简短小故事

Plant Self-defense Plants may appear to be helpless in the face of hungry,toothy animals but many plants have evolved interesting systems of self-defense. Coarse meadow grasses are a good example. If you run your finger along a blade of coarse grass,

发表于:2018-12-31 / 阅读(113) / 评论(0) 分类 英语听力文摘 English Digest

From VOA Learning English, this is the Health Lifestyle report. In parts of India, it is not uncommon to see people wearing a mask over their nose and mouth. The capital, New Delhi, has some of the world's dirtiest air. The pollution was a call for a

发表于:2019-01-03 / 阅读(152) / 评论(0) 分类 2018年VOA慢速英语(一)月

1. The Bush administration and Congress are working through the weekend to hammer out a Wall Street rescue plan. President Bush is asking lawmakers to let the government buy 700 billion dollars in bad mortgages from US financial institutions for the

发表于:2019-01-11 / 阅读(206) / 评论(0) 分类 美联社新闻一分钟2008年(九)月

This is AP News Minute. Investigators in Illinois say a police officer whose fatal shooting triggered a massive manhunt committed suicide. Police say the officer carefully staged his death because he was about to be exposed as a thief. The British go

发表于:2019-01-11 / 阅读(159) / 评论(0) 分类 美联社新闻一分钟2015(十一)月

AS IT IS 2015-07-14 Silica Sand Mining Worries Communities 美国硅砂矿引发社区担忧 The United States is increasing production of oil and natural gas through a process known as fracking. This process is sometimes called hydraulic fracking be

发表于:2019-01-12 / 阅读(154) / 评论(0) 分类 2015年VOA慢速英语(七)月

Students Fuse Art from Shattered Glass BETHESDA, MARYLAND When Lynda Slayen first discovered fused glass about 10 years ago, she immediately fell in love with the technique. Ive always loved glass. I collect glass. I have a lot of antique glassand th

发表于:2019-01-14 / 阅读(135) / 评论(0) 分类 VOA标准英语2014年(一月)

What is mother for? M is for the million things she gave me. O menas only that she 's growing old. T is for the tears she shed to save me. H is for her heart of purest gold. E is for her eyes ,with the love-light shining. R means right ,and right sh

发表于:2019-01-17 / 阅读(150) / 评论(0) 分类 白领英语晨读

AILSA CHANG, HOST: Despite mounting evidence and a stream of dire warnings, federal regulators and mining companies failed to protect coal miners from toxic dust. MARY LOUISE KELLY, HOST: NPR and the PBS series Frontline spent more than a year lookin

发表于:2019-01-19 / 阅读(140) / 评论(0) 分类 2018年NPR美国国家公共电台12月

Oh, perfect, perfect, perfect. Now were seeing the fireball come in, its brighter than the Sun and then, Kapow, it hits the surface. Jeez! This whole region, downrange, would have been incinerated. It would have been incinerated just by this plasma,

发表于:2019-01-23 / 阅读(115) / 评论(0) 分类 探索与发现2014年

The Donkey and the Statue A donkey was once chosen to carry a holy statue through the town.Crowds of people came from all over the countryside to see the procession.They lined both sides of the street,pushing and jostling to get nearer to the f

发表于:2019-01-28 / 阅读(151) / 评论(0) 分类 趣味英语

By Tabinda Naeem Washington, D.C. 21 May 2007 Two years ago, the National Academy of Engineering established the Grainger Challenge Prize for Sustainability. This $1 million award was designed to challenge the world's scientists to develop a practica

发表于:2019-02-03 / 阅读(195) / 评论(0) 分类 2007年VOA标准英语(五月)

1. You don't have to see each other every day. 你们不必每天都见面。 If you can, then why not? But you don't have to nag each other about you or your partner coming over just because you haven't seen a glimpse of each other for the day (yet)

发表于:2019-02-06 / 阅读(175) / 评论(0) 分类 实用英语

This is AP News Minute. 1. In a stunning move, house majority leader Kevin McCarthy has withdrawn his candidacy for speaker, and the election for the position has been postponed. Republican lawmaker said McCarthy told colleagues at the start of the G

发表于:2019-02-11 / 阅读(166) / 评论(0) 分类 美联社新闻一分钟2015(十)月

What Would You Ask Her? 你会向她提什么问题? One question has intrigued art lovers around the world for generations: what is the secret behind the Mona Lisas enigmatic smile? Well now they have the chance to ask her directly, thanks to a new

发表于:2019-02-13 / 阅读(112) / 评论(0) 分类 英语听力精选进阶版

A: Ha-ha, it's really a good news. A: 哈哈,真是个好消息。 B: What makes you so happy? B: 什么事情让你那么高兴啊? A: Jay Chou will hold a live concert in Beijing next month. A: 周杰伦下个月将会在北京举办一场现场音

发表于:2019-02-15 / 阅读(182) / 评论(0) 分类 英语脱口秀之流行时尚

CHANGSHA, July 5 (Xinhua) -- A section of a highway running near a major river in central China's Hunan Province caved in early Thursday, engulfing a passing vehicle and killing at least one person aboard. The cave-in, near the Poly International Pla

发表于:2019-02-17 / 阅读(151) / 评论(0) 分类 英语新闻

The exhibitions organiser Wang Hui spent two years preparing the collection with a team of over 400 digital artists in South Korea, at a cost of around 50m yuan. He says, What's special about this is that it's the first time 3D technology, holographi

发表于:2019-02-23 / 阅读(100) / 评论(0) 分类 英语时差8,16
学英语单词
aaht
accounting in charge
acid scouring
activity relationship chart
anticollision system
astern gas trubine
automatic terrain radar and navigator (atran)
be all adrift
beat away
bloomless
brall
breaking spinning
brightness pulse
buffet about
camel back
carbonizing machine
cholesterol crystal embolization
Christmas Log
chylosis
Ciment Fondu
co-options
cock air
combined gas turbine or gas turbine (cogog)
community work
conception rate
continuous topping
counterslopes
deadweight force standard machine
donatistic
Duchenne's muscular dystrophy
E-type device
electronically steerable array radar
electrophoretic force
emery grinder
estrapade
ews
felmy
FILFs
floral tube
forehouses
Galapagoan
gas eletrochemistry
hemangioma of kidney
highlow
hob-spindle
hundred flowers
hydroclasticity
hypnea boergesenii
Ilyas
in-place oil
income tax treatment
internal transfer vehicle
interpretor
inverted superposition
jessica tandies
John Cash
kill me
log-truck
lost buoyancy method
lump along
made ready
magneto optic rotation
megaselia fasciventris
mesopelagic plankton
mhs (material handling system)
modern-era
monkey wrenches
more-is-more
multi-channel recorder
multihead Turing machine
musicali
Nam Trung
non-marketable securities
nondecoded
nonpassenger ship
oxygenograph
permanent guideline tensioners
photometry heterochromatic
poly-unsaturated
polypous gastritis
provinciality
public health dentistry
Pulitzer-prize-winner
pulverization
Pupin, Michael Idvorsky
radioactive waste disposal
restoration after irradiation
rickettsia canada
ripe soil
rotary-piston pump
shihunin(e)
single end strength and elongation tester
sirloins
streptoneury
subcontractors
surrended
teller
terminal ligature
theologized
untacking
vee-shapeds
woodland drawing