光敏面;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(238) / 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(208) / 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(162) / 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(187) / 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(173) / 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(175) / 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(164) / 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(241) / 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(199) / 评论(0) 分类 英语听力文摘 English Digest

地道美语听力播客English as a Second Language Podcast (ESLPod),是一家位于美国加州洛杉矶的英语教育研究机构推出的英文听力会话,于2005年7月23日首播, 主播Dr. Jeff McQuillan为南加州大学的语言学博士

发表于:2019-01-01 / 阅读(213) / 评论(0) 分类 地道美语播客

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(253) / 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(209) / 评论(0) 分类 原版英语对话1000个

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(167) / 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(201) / 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(162) / 评论(0) 分类 探索与发现2013年

Climate change negotiators from 173 countries have agreed on an agenda after days of bickering over the scope of talks left little time for substantive discussions. The disagreement highlighted deep divisions between developing and rich countries on

发表于:2019-01-30 / 阅读(204) / 评论(0) 分类 英语新闻

LOS ANGELES, June 18 (Xinhua) -- Microsoft Corp. unveiled Monday a family of tablets dubbed Surface, built on Windows 8, at an event in Los Angeles. Microsoft Chief Executive Steve Ballmer introduced the company's Surface family of tablets. The devic

发表于:2019-02-17 / 阅读(212) / 评论(0) 分类 英语新闻

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(192) / 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(208) / 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(206) / 评论(0) 分类 英语时差8,16
学英语单词
2-chloro-5-hydroxy-meta-xylene
4-hydroxy-2-butanone
a tidy sum
abstract integral
acid-commbining power
afret
agarinin
alloy diffusion technique
annealed copper
argyranthemum frutescenss
atmospheric oxygen
autohemoantibody
bacterial inoculation
balance computer
bio-informatics
Bol'shoye Sverchkovo
border collies
breakers yard
capitalization value
carboseal
cicinnobolus cesatii de bary
compressed format
corneo-conjunctival
counterattackings
data transmission package
depth electroencephalography
deterministic input signal
dismarrying
disproove
disrupt the market
donatio mortis causa
duck's disease
echinococcus granulosa
ejection mechanism
epipubic bones
ermengard
esencial
evoes
extra long staple
F words
flak-jackets
flash coat
flexible roller cage
fordney
freesia armstrongii w. wats.
gas precooling
girlhoods
glenoid labrum
glisindamide
grounds of argument
heavy wire
inconspicua
indirect variation
infamously
infraorbitalis
inspection by mould bar
intercompany income
jahner
kandolo (kandole)
keep the log rolling
kiss-me-quick hat
limestone pellet
loss of all flame
Luzhou City
mercuriferous
meteorital
Misurata(Misratah)
nee'n't
one-all
outfleme
outside lag
overemotional
pnds
polymerization initiator
potential boundary
pressure-feed
pseudoplastic Reynolds number
Puebla de Lillo
radix sympathica ganglii ptorygopalatini
recapitulatory
recombinationvalue
resistive cut-off frequency
Satchell
says it all
semiwork
send-offs
shut ... in
simulated kill
Skanderborg
solosympodiella clavata
species identification
steel concrete composite girder
steering rack
Sullivan, John Lawrence
Swiss ball
takes hold
the thinker
toe hold
transport level
unsaleability
uroboros
wifeliest