太阳总辐射

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(482) / 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(205) / 评论(0) 分类 60秒科学

Two adventurers hoping to make the first round-the-world trip using a solar-powered plane have successfully landed in Oman after launching the maiden leg of their global voyage. The two Swiss pilots have arrived in Oman after taking off yesterday fro

发表于:2018-12-11 / 阅读(172) / 评论(0) 分类 英语新闻

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(213) / 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(320) / 评论(0) 分类 新东方背诵文选

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(176) / 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(208) / 评论(0) 分类 Scientific American(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(204) / 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(309) / 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(173) / 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(166) / 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(144) / 评论(0) 分类 2016年VOA慢速英语(七)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(169) / 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(226) / 评论(0) 分类 自然百科2011年

Young MBAs Compete to Solve Global Problems Solving the worlds most pressing social challenges takes passion, dedication, innovation and a good business plan, which is the idea behind the Hult Global Case Challenge. Hult International Business school

发表于:2019-02-12 / 阅读(299) / 评论(0) 分类 VOA标准英语2011年(十月)

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(215) / 评论(0) 分类 实用英语

Have you heard the news? We're in a clean energy revolution. And where I live in Berkeley, California, 你们看新闻了吗?我们正在进行清洁能源革命。我住在加利福尼亚州伯克利市, it seems like every day I see a new roof

发表于:2019-02-13 / 阅读(205) / 评论(0) 分类 TED演讲国际问题篇

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(187) / 评论(0) 分类 英语语言学习

A solar-powered airplane that landed in Arizona last week after a daylong flight from California is now headed to Oklahoma on the latest leg of its around-the-world journey. The file photo shows the two pilots of the Swiss-made Solar Impulse 2 in fro

发表于:2019-02-18 / 阅读(152) / 评论(0) 分类 cctv9英语新闻2016年

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(187) / 评论(0) 分类 双语有声阅读
学英语单词
Abu Dhabians
all-purpose furnace
anthrachose of grape
antiwear agent
as requsted
assistant prosecutor
barium binoxide
barrel switch
baupre
be kind
blood line
bondholder
breschet's vein
brood pouch
brownification
by word of mouth
celestine i
certificate chain
character recognition system
chromatodisk
clad fuel elements
clearance lenkage
clinkerer
Conchostraca
deciduously
deep-litter
dimethylacrylic aldehyde
disease caused by disorder of this channel
diurnal motion
double wedged boat
dried scallop adductor
edmondses
energy distribution function
episodic flow
family Helvellaceae
filter-paper filter
fluid in cell method
fluoresceine diacetate
flyschoid
focused strategy
gamma-extruded
ganjah
gradient of potential
graphiologists
hand held power tool
Hellenic Shipbroker Association
hot tension test
import tariffs
in propria persona
innocent party
knowledge domain
lakeview
latelife
letdown flow
lobular fissure
local chamber of commerce
LOFA (loss-of-flow accident)
macerated fabric
microchromatographic column
Milanese silk
mizzentopman
neural network
obovata
output coupling
paid maternity leave
Pasolinian
passive detection and ranging radar
Pehuenche
peluso
periencephalomeningitis
Pitangui
plunger vane
ranchero sauce
rectocolonic
reel-to-reel machine
reservist
resonance absorption transition
Russkaya
sample system minaturization
sarpanitus
Schlumbergera
scientific research personnel
soil rehabilitation
spack
spark blowout
standard drinks
statistical law
thermostatic bottle
three voices
TO me
unaccredited
unforgivers
ustachi
vase-fine
videogenic
view procedures
vomitrocious
water absorbability
wedge support
writting
xananas
Yana, L.