长波幅射

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(348) / 评论(0) 分类 新概念优美背诵短文50篇

UNIT 9 Text A PRE-READING TASK Exercise 1 Before reading the passage, think about the statements. Do you Agree or Disagree with them? Why? 1. There is no need to worry about the problem of energy. 2.

发表于:2018-12-04 / 阅读(185) / 评论(0) 分类 实用英语综合教程

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(97) / 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(177) / 评论(0) 分类 新东方背诵文选

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Animals rely on all sorts of cues to find their next meal. Monkeys and birds are attracted to the colors of ripe fruits and berries. And snakes find thei

发表于:2018-12-24 / 阅读(76) / 评论(0) 分类 Scientific American(十)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(71) / 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(107) / 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(68) / 评论(0) 分类 2017年VOA慢速英语(四)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(131) / 评论(0) 分类 英语小短文

U.S. health experts monitoring Japan's nuclear crisis are seeking to explain health risks from radiation(放射) exposure, while cautioning that radiation levels measured this week at the Fukushima-Daiichi power plant in northern Japan have not y

发表于:2019-01-11 / 阅读(97) / 评论(0) 分类 英语新闻

DOUG JOHNSON: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Doug Johnson. FAITH LAPIDUS: And I'm Faith Lapidus. Today, we will tell about skin cancer. (MUSIC) DOUG JOHNSON: Skin cancer is one of the most common forms of cancer. It is also

发表于:2019-01-11 / 阅读(169) / 评论(0) 分类 2010年VOA慢速英语(七)月

The World Health Organization (WHO) warns against the indiscriminate(任意的无差别的) use of potassium iodide as a precaution against nuclear radiation. WHO is issuing this advisory following reports of people in Japan and elsewhere who are usi

发表于:2019-02-06 / 阅读(243) / 评论(0) 分类 英语新闻

A key Japanese adviser on radiation(放射 ) leaks at the country's disabled Fukushima nuclear power facility has quit in protest over the government's handling of the disaster. The adviser, Toshiso Kosako, a radiation safety expert at the Univer

发表于:2019-02-06 / 阅读(95) / 评论(0) 分类 英语新闻

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(93) / 评论(0) 分类 英语新闻

Deciding where to place a Wi-Fi router at home to minimise signal blackspots is a fine art. But a physicist has attempted to tackle the problem by mathematically working out the optimum position for a router. He studied how walls and reflections affe

发表于:2019-02-08 / 阅读(98) / 评论(0) 分类 英语新闻

WASHINGTON, March 30 (Xinhua) -- A trace amount of radioactive(辐射性的) iodine(碘) has been found in a sample of milk from the west state of Washington, the U.S. Environmental Protection Agency and the Food and Drug Administration (FDA) sai

发表于:2019-02-11 / 阅读(91) / 评论(0) 分类 英语新闻

Have you even wondered why you can hear FM radio signals in a tunnel longer than AM? Take a ride with Don and Ya?l to find out why. D: What a great day for a drive! How do you like my new Ferarri? Y: Very fancy. D: Best of all, the radio works, so we

发表于:2019-02-15 / 阅读(63) / 评论(0) 分类 英语时差8,16

【经典】《泰坦尼克号》主题曲 中英歌词: Every night in my dreams I see you, I feel you, That is how I know you go on Far across the distance And spaces between us You have come to show you go on Near, far, wherever you are I believ

发表于:2019-02-18 / 阅读(70) / 评论(0) 分类 经典英文歌曲

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(74) / 评论(0) 分类 双语有声阅读

Megaphones If you want to call to a friend half a block down a crowded street, you might cup your hands around your mouth to better aim your voice. Have you ever wondered why simple megaphonesamplify your voice so well? Actually, they work for two di

发表于:2019-03-09 / 阅读(117) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
abruka i.
abyssal (marine) zone
affymax
annex storage
band moderator
be on the track of
be one-up on sb
belt-gearing
bias gear
bonducs
brightnesses
Brindley
brushless thyristor excitation
car molding
cinchonidine hydrochloride
cochain equivalent
commentatours
cook-up
Cryophylic
cysticorrhaphy
diphtheria antitoxin
drying and heat setting stenter
Ellsworth Land
external check
face-up
flinching
Flufacid
Fusiformis furcosus
genus nepas
geoscientific
Giessen
glaubenberg
gradient quenching
hare-hearted
hawser board
Heurteloup's leech
high alumina refractories
hippasie
holidic
huets
hungarian pointers
instrumental judgement of value
intercontinental aircraft
isotopic abundance ratio
Kashimo
key way
kilimnik
Lacto-N-tetraosylceramide
laminae dura
legal move
lifting lever
magneto strictive transducer
management of border crosser for grazing
manganese(iii) sulfate
mastacembelus sinensis
mobula hypostomas
monotransregulator
morningmares
multiple scanning
NDT (nil ductility temperature)
neutron hall
non-instalment credit
nonlinear dispersion relation
Obrajito
patrases
paving with mortar
pilot dues
planned circulating target
post-temporal fossa
prehalluxes
promote dose dry
psychological counseling
pulse repetition cycle
pump rooms
purpecha
push-button dialing pad
pyramid bugles
raster-based
reference test bar
Sandfly L.
Sarfa
satows
shared ancestral character
side buffer
sidehaul marine railway
single delivery contract
sismotherapy
snowshoe hares
snufter
Supradorsalia
surface alloying
template with machined bushings
thermowattmeter
thiadiazepines
threshold quantity
time comparison
UKTS
unkemptitude
vertical exaggeration
wall of tube
Yura-gawa
zero-field emission