感光膜

Whether it was believed to have been a big ball of cheese home to the men in the Moon, or possess the power to turn people into werewolves, the Moon has been a perpetual source of wonder from ancient times to today. Just one quarter the size of Earth

发表于:2018-12-03 / 阅读(115) / 评论(0) 分类 自然百科2008年

The Moon 月球 We find that the moon is about 239,000 miles (384,551 km) away from the earth, and, to within a few thousand miles, its distance always remains the same. Yet a very little observation

发表于:2018-12-05 / 阅读(111) / 评论(0) 分类 有声英文阅读

The Moon We find that the moon is about 239,000 miles (384,551 km) away from the earth, and, to within a few thousand miles, its distance always remains the same. Yet a very little observation shows that the moon is not standing till. Its distance fr

发表于:2018-12-07 / 阅读(72) / 评论(0) 分类 双语有声阅读

The winter solstice events at Maeshowe demonstrate 梅萧韦古墓葬的冬至事件 an intimate and precise knowledge of 展现了古人 the sun's movements through the sky. 对太阳运行轨迹的精确了解 It was the first step on ourjourney to

发表于:2018-12-07 / 阅读(92) / 评论(0) 分类 2006年慢速英语(五)月

Gene Therapy Halts Vision Loss in Dogs Researchers have stopped vision decline in dogs with an inherited disease that causes blindness. The gene therapy technique they used may someday stop vision loss in humans. Retinitis pigmentosa (RP) is an eye d

发表于:2018-12-16 / 阅读(88) / 评论(0) 分类 VOA标准英语2012年(二月)

Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of

发表于:2018-12-24 / 阅读(94) / 评论(0) 分类 2015年Scientific American(一)月

[00:06.37]Some people cannot see all colors correctly. [00:10.92]They cannot see all the colors in a rainbow or a sunset. [00:16.40]They cannot tell if the meat they are cooking is done or if a fruit is ready to be eaten. [00:23.61]Poor color sight a

发表于:2018-12-26 / 阅读(85) / 评论(0) 分类 美国英语听力80篇

(Woman) Today I want to talk about the Earth's last major climatic shift, at the end of the last ice age. But first, let's back up a moment and review what we know about climatic change in general. First, we defined climate as consistent patterns of

发表于:2018-12-30 / 阅读(141) / 评论(0) 分类 托福听力短文

Night Vision And Humans: Why Cant We See Color? When we are in a fairly dark room, or outside at night away from lights, we can still see, but we cant see the colors of things very well. Why is that? There are two kinds of light-sensitive organs loca

发表于:2018-12-31 / 阅读(104) / 评论(0) 分类 英语听力文摘 English Digest

By David McAlary Washington 10 March 2006 Mars Reconnaissance Orbiter Another U.S. spacecraft has begun orbiting Mars to study the red planet in unprecedented detail. The Mars Reconnaissance Orbiter w

发表于:2019-01-07 / 阅读(147) / 评论(0) 分类 2006年VOA标准英语(三月)

Todd: So one very popular conspiracy theory is the moon hoax. Jonathan: Yes, that's always a very funny one to hear people talk about. They saw this one program on Fox which had five or six points which look so impressive, you know, when you've got t

发表于:2019-01-20 / 阅读(85) / 评论(0) 分类 原版英语对话1000个

By Paul Sisco Washington 16 April 2008 A congressional subcommittee recently heard testimony that sensitive aircraft technology and a vast array of stolen military gear is for sale on eBAY, Craigslist and other Internet sites. A Government Accountabi

发表于:2019-01-20 / 阅读(120) / 评论(0) 分类 VOA常速英语2008年(四月)

Because from trillions of miles away, these small planets get lost in the blinding glare of their stars brightness. The sad truth of the matter is that earth-like planets are near cosmic specks of dust. And therefore detecting them is really quite ha

发表于:2019-01-22 / 阅读(91) / 评论(0) 分类 自然百科2010年

Cats And Colors You can look at that quilt your cat is curled up on and see a patchwork of greens, blues, and yellows. Your cat, however, cannot see color variation in the quilt. And here is why. Both humans and cats depend on the back layer of the e

发表于:2019-01-22 / 阅读(117) / 评论(0) 分类 英语时差8,16

Just as I arrived at UCLA with my first faculty position, everything was falling into place in terms of the ability to answer this question at the centre of our galaxy. The telescopes were getting bigger so you had the due ability to see fine details

发表于:2019-01-23 / 阅读(79) / 评论(0) 分类 探索与发现2013年

今天我们要学的词是sensitive。 Sensitive, 是敏感的意思。A sensitive topic, 就是敏感的话题。 Employment experts warn job seekers not to give out sensitive personal information when applying for positions online, 就业问题专家

发表于:2019-01-25 / 阅读(103) / 评论(0) 分类 英语每日一词

Lesson 332 He's sensitive. 1.He's sensitive.他很敏感。 2.Don't be so sensitive.别那么爱过敏嘛。 3.You're too sensitive.你太敏感了。 4.It's sensitive question.这是个敏感的问题。 5.The instrument is sensitive.这仪器很灵敏

发表于:2019-02-12 / 阅读(136) / 评论(0) 分类 辛沛沛NO-BOOK 辛沛沛傻瓜机口语极短句

Cats And Colors 人类能够很容易的分辨出不同的颜色。那么猫呢?虽然猫的视力很好,即使在非常昏暗的光线条件下也能看见,但它对于如何分辨不同的颜色似乎并不擅长。 Cats and Colors on this mo

发表于:2019-02-24 / 阅读(91) / 评论(0) 分类 英语听力文摘 English Digest

台湾籍旅美老师今天交给我们的句子是: If our lungs were shaped like balloons, air that was not in direct contact with the balloon's inner surface couldn't diffuse through. Luckily, our lungs' architecture ensures that very little oxy

发表于:2019-03-05 / 阅读(125) / 评论(0) 分类 留美老师带你每日说英文

By bending arms and legs or angling her bodypresenting more or less surface area to the groundshe can change her rate of fall, slowing or speeding up her terminal velocity around ten or twenty miles per hour. To fall as fast as two hundred miles per

发表于:2019-03-06 / 阅读(124) / 评论(0) 分类 英语时差8,16
学英语单词
a baker's dozen
alcoholising
Ali-Youssef
all wood
Aru, Tg.
audio system
automagically
avalaka
back vent
berth owner
Bertrand qualifying equation
blindman's watch
blustering
Bourgmont
break sb's spirit
cannel shale
capture effect
carbonitrile
Chaetonotoidae
cheerer
cladautoicous
coil ignition
command-levels
conscious level
continuous stocktaking system
current linkage segment register
cutter arbor collar
diphenylphosphines
Don't cross a bridge till you come to it
draw-in air
eccentricity
equivalent annual cost method
erdmannite
ethylvinylether
execute summarilty
floccular degeneration
fourth-floor
framjee
genus phaethons
gone-by
green-belt area
gunk-holing
haiff
have someone in one's power
hgen
horizontal sulcus of cerebellum
in germ
insertion activity
interest rate sensitivity
Irish pennant
khabar
knock test engine
Komsomolskaya Pravda
maximum peak inverse volts
mitered
Montg
Mosterton
mudslum
muslim-americans
neoprene glove
New York City Police Department
nonautocorrelation
Noncash charge
nonimitation
not worth a fillip
obey the order
opdoes
Penialmen
photovoltaic concentrator solar array
piaya
pitch change
polascik
privatisation
pseudogramma polyacantha
puinsai
racenicity
rashid hotel
relative angular momentum
Return Premium Clause
rhombohedral enantiomorphic hemihedral class
roastmasters
rod removal
rujak
salt burn
saran
school planning
sepdumag
sicklaemias
simple surface
single-bond energy
so funny
sol iletsk
solot
space charge wave
Spilsby
subsea production system(sps)
supplementary linear sets
surface rejuvenation
tetartohedral form
tracheobronchoscopy
valetudinarianisms
Yubara