太阳辐射压

45.The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Suns very center. It is here that is to be found the source of the energy that the Sun constantly pours out i

发表于:2018-11-28 / 阅读(356) / 评论(0) 分类 新概念优美背诵短文50篇

诸多线索综合起来为我们描绘出一幅画面:那是火星遥远的过去,那时的火星还有着一层厚厚的大气层,令这颗星球温热暖和,从而使水能够在火星表面流淌。但如今,地表的水消失不见,而

发表于:2018-12-07 / 阅读(100) / 评论(0) 分类 60秒科学

A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into space as light and h

发表于:2018-12-12 / 阅读(109) / 评论(0) 分类 英语小短文

A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the

发表于:2018-12-15 / 阅读(187) / 评论(0) 分类 新东方背诵文选

A study of a solar-powered blood pressure monitor finds it can be an effective tool in places where electricity and even batteries can be in short supply. A study in Africa found the monitors to be affordable and accurate. 对太阳能血压计的研究

发表于:2018-12-19 / 阅读(61) / 评论(0) 分类 VOA双语新闻 2010年11月

A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into space as light and h

发表于:2018-12-30 / 阅读(77) / 评论(0) 分类 考研背诵50篇

This is Scientific Americans 60-Second Science. Im Steve Mirsky. got a minute? Earth-like planets have the potential to form around manyand perhaps mostof the nearest stars that are like our sun. Michael Meyer of the University of Arizona announced t

发表于:2019-01-08 / 阅读(108) / 评论(0) 分类 Scientific American(二)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Think about flying and you no doubt think about air--the wind in your face, the wind at your back, the wind beneath your wings. Now physicists note that li

发表于:2019-01-08 / 阅读(99) / 评论(0) 分类 Scientific American(十二)月

The clues are adding up to give a picture of a distant Martian past, when the planet had a thick atmosphere that was warm enough for water to stream on the surface. But now the waters gone, and the atmosphere is so thin that any water would boil away

发表于:2019-01-08 / 阅读(91) / 评论(0) 分类 Scientific American(十)月

The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into

发表于:2019-01-08 / 阅读(143) / 评论(0) 分类 英语小短文

Halfway there, you bump into the Asteroid Belt. It is not like in the movies where you are dodging asteroids at every second. It is a The space is very big and the asteroids are a long distance apart, so you could travel through it quite safely. The

发表于:2019-01-08 / 阅读(74) / 评论(0) 分类 自然百科2012年

AS IT IS 2013-06-14 NASA Scientists Still Dream of, and Plan for, Human Travel to Mars From VOA Learning English, this is As It Is. Welcome back. Im Caty Weaver. On the show today, we look into the future of space exploration. The American space agen

发表于:2019-01-12 / 阅读(64) / 评论(0) 分类 2013年VOA慢速英语(六)月

Juno Spacecraft Enters Jupiter Orbit 朱诺号探测器进入木星轨道 American scientists cheered loudly as their spacecraft, called Juno, entered Jupiters orbit Monday night. Juno, welcome to Jupiter! The scientists are with the U.S. space agenc

发表于:2019-01-12 / 阅读(52) / 评论(0) 分类 2016年VOA慢速英语(七)月

Fukushima Plant Operator: Nitrogen Pumping Operation Going Well A plan to inject nitrogen into the containment vessel around reactor 1 at the Fukushima Daiichi power plant appears to be working, the plant owner said Thursday. Higher pressure levels h

发表于:2019-01-14 / 阅读(92) / 评论(0) 分类 VOA标准英语2011年(四月)

The study of a solar-powered blood pressure monitor finds it can be an effective tool in places where electricity and even batteries can be in short supply. A study in Africa found the monitors to be affordable and accurate. High blood pressure is a

发表于:2019-01-14 / 阅读(86) / 评论(0) 分类 VOA标准英语2010年(十一)月

The solar system is a hostile place. Earth is under attack from deadly cosmic radiation. Life here is only possible, because it's protected by the magnetosphere, an invisible force field that cocoons the planet. But new evidence reveals that this vit

发表于:2019-01-22 / 阅读(81) / 评论(0) 分类 自然百科2011年

In polar regions where the magnetic field is / weakest, auroras glow in the sky. These dazzling displays of colored lights form when solar particles slam into gases in our atmosphere causing them to glow. The stronger the solar wind, the more dramati

发表于:2019-01-22 / 阅读(88) / 评论(0) 分类 自然百科2011年

1 ASTRONOMY 天文 astronomy 天文学 astronomical 天文的 astronomical observatory 天文台 astronomer 天文学家 astrophysics 天文物理学 astrology 占星学 pseudoscience 伪科学 cosmos(universe) 宇宙 cosmology 宇宙学 infinite 无限

发表于:2019-02-13 / 阅读(72) / 评论(0) 分类 实用英语

From VOA Learning English, this is As It Is. Welcome back. Im Caty Weaver. On the show today, we look into the future of space exploration. The American space agency NASA has announced plans for a new effort to study the sun. And, NASA scientists are

发表于:2019-02-16 / 阅读(74) / 评论(0) 分类 英语语言学习

The Source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into

发表于:2019-02-25 / 阅读(82) / 评论(0) 分类 双语有声阅读
学英语单词
?-sheet
a spent force
abattised
activity measuring instrument
airing system of life boat
airport council international (aci)
Amu Dar'ya
Arteria glutealis inferior
Baymix
biological systems modeling
blacksmith's ruler
blueys
Boas-Oppler bacillus
bounce up
bowker-saurs
box-coupling
butted layup
care a twopence
central school
chigger-borne rickettsiosis
Christolatry
coastwise carriage
computer-aided logistic support
copy-on-write proxies
couldn't think
decimal code translator
error correction device
EX (expansion)
extraction stop and non return valve
face mould
flight strips
funny wagons
geared-turbine
go one's way
Greenland shark
group drift
half as long again as
half trine grab
have the length of someone's foot
hippiatry
homogeneous plasma
hypoxidosis
hysterical neuroses
Ichthyosauridae
impertinencies
interactive test controller
Justicia panduriformis
Kelara
Khoygot
lemon yellow
lithalsas
luggage carrier
Mertz Glacier
Mikulicz's direase
Nirwāno
nooks and cranniess
p-chlorobenzyl chloride
pametons
paper duster
pass data set
pelvic rest
pension plan accounting
plant cell sociology
political advantage
pommeroys
Racha Yai, Ko
reed loudspeaker
relative motion computer
rotoclone collector
ruralites
sand projection machine
scanning traverse
Schamberg's disease
self-regulation learning
senso
sheward
Siachen Glacier
silicalites
sindicatos
slulfamethazine
sound true
spin decoupling
squishlip
stannous bromide
steady-state variable
temporary emergency lighting
thermosetting compositions
titanium tetrafluoride
to compose
toll center
toner offset
transcurrent fault system
tratt
trithemis festiva
underlockers
unenterable
unfemininity
unmeet
unpackages
uromyces deeringiae
yawss
YIL