太空辐射生物效应

EXPLORATIONS - Ancient Martian Conditions Could Have Supported Life From VOA Learning English, this is EXPLORATIONS, in Special English. Im Kelly Jean Kelly. And Im Christopher Cruise. Today we report on recent scientific findings about the planet Ma

发表于:2018-12-07 / 阅读(72) / 评论(0) 分类 2013年VOA慢速英语(三)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:2018-12-12 / 阅读(125) / 评论(0) 分类 英语小短文

本讲为 2006 年下半年新的教学内容,请对照教材、练习册和语法书听录音! 1. Data from previous animal experiments is used to develop a computer model which will predict what

发表于:2018-12-15 / 阅读(89) / 评论(0) 分类 自考英语(二)60讲

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(207) / 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(92) / 评论(0) 分类 考研背诵50篇

But they never got there. The first disappeared into deep space. Another missed its target when its coordinates were confused. One NASA control center was working in metric, the other in feet and inch

发表于:2019-01-02 / 阅读(142) / 评论(0) 分类 火星生命

Human exploration of Mars is now an official goal of the National Aeronautics and Space Administration (NASA). Last month, U.S. President Donald Trump signed a bill to increase NASAs budget. The law sets spending at $19.5 billion for the 12-month per

发表于:2019-01-02 / 阅读(94) / 评论(0) 分类 2017年VOA慢速英语(四)月

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(122) / 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(109) / 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(162) / 评论(0) 分类 英语小短文

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(83) / 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(61) / 评论(0) 分类 2016年VOA慢速英语(七)月

NASA Probing Secrets of Van Allen Radiation Belt 美国航天局探秘范艾伦辐射带 One of the first discoveries of the space age, made in 1958, was that the Earth is surrounded with a doughnut-shaped field of highly charged particles. It was na

发表于:2019-01-14 / 阅读(91) / 评论(0) 分类 VOA标准英语2014年(八月)

美国航天局探秘范艾伦辐射带 One of the first discoveries of the space age, made in 1958, was that the Earth is surrounded with a doughnut-shaped field of highly charged particles. It was named the Van Allen radiation belt, after its disco

发表于:2019-01-19 / 阅读(106) / 评论(0) 分类 VOA双语新闻 2014年8月

Gas escaping into space from the plumes is energized by Jupiters magnetosphere, creating an intense band of ionizing radiation that bombards a surface already soaked in emissions. If you went out relatively unprotected with, like a normal spacesuit f

发表于:2019-01-22 / 阅读(110) / 评论(0) 分类 自然百科2012年

NEW DELHI, March 16 (Xinhua) -- The Indian government has ordered food originating from(发源于) Japan to be tested for radiation in the wake of explosions at a Japanese nuclear plant following a devastating earthquake-tsunami last Friday, repo

发表于:2019-02-07 / 阅读(111) / 评论(0) 分类 英语新闻

Nicotine Enhances Effects of Cocaine A new study from Columbia University highlights the role of tobacco in cocaine addiction. The research indicates that nicotine may be a key gateway drug in a biological as well as a social context. Dr. Amir Levine

发表于:2019-02-12 / 阅读(99) / 评论(0) 分类 VOA标准英语2011年(十一月)

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(82) / 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(87) / 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(98) / 评论(0) 分类 双语有声阅读
学英语单词
___ city
a hempen cravat
as it seems good to
asseveratory
Ban Kut Sakon
benzimidazolyl-
bergia ammannioides
bewilderings
blooming housing
blue-rose
bufotalone
calibrated radiation source
carpinus turczaninowii var. ovalifolia winkl.
cartmen
caustic wash treating
compound word
corneal dysplasia
Cortisumman
court of divorce and matrimonial causes
data-out
debye-scherrer photograph
divisor function
door-knob capacitor
dynamic technology
EMPP
exhaust clack (exhaust flap)
Ezodweni
feldspar phyllite
fish-holt
fnf
Foix, R.
fore land
furacious
furfur
gaze filoche
geoisomers
hsiao chung wu
Island Hd.
josephosen memory
Katoke
kebir
kness
Kurohone
lardtype
late lock
levu
lingeman
live to be a hundred
Llanvirnian
loon pants
lupus erythematosus discoides
Luschka
magneto-optic thin film
malariatherapy
median survival
neic
Nellie Ross
netty
nutrientconserving strategy
orange chromide
over-fat
pangenetically
Parseval's formula
phlegmonous enteritis
phosphorplate
physical architecture
pipistrelle, pipistrel
polleny
positioner valve
proctoplasties
quadchromatic
ramie decorticator
Rathmelton
relativity(theory)
renied
repercussion of tax
reproductive value
russell cord
salembraee
saturable absorption
saturation magnetisation value
semi-voiced
semiconductor valve device
setting-up agent
simple enzyme
spotfaces
static load characteristic
suction flask
television to small earth station
Teykovskiy Rayon
theworld
thile
traditionists
transculturisations
Trichosanthes kirilowii Maxim
tzu-jan
unveridical
unwooling
vasofactive
veterans' life insurance
why me
Zweigelts