淡水吨数

44.Obtaining Fresh water from icebergs The concept of obtaining fresh water from icebergs that are towed to populated areas and arid regions of the world was once treated as a joke more appropriate to cartoons than real life. But now it is being con

发表于:2018-11-28 / 阅读(527) / 评论(0) 分类 新概念优美背诵短文50篇

Water Cycle 水循环 All the oceans on earth are salty, while inland water is typically fresh. How does water become salty? We'll answer a listener's question -- today on Earth and Sky. DB: This is Earth and Sky. We recently visited the Austin Childr

发表于:2018-12-07 / 阅读(179) / 评论(0) 分类 (科普英语)Earth and Sky

Broadcast: February 21, 2003 By George Grow This is the VOA Special English Environment Report. Everywhere, water use is increasing. Humans already use fifty-four percent of all the fresh water in riv

发表于:2018-12-07 / 阅读(147) / 评论(0) 分类 VOA2003(上)-社会广角

The concept of obtaining fresh water from icebergs that are towed to populated areas and arid regions of the world was once treated as a joke more appropriate to cartoons than real life. But now it is

发表于:2018-12-15 / 阅读(167) / 评论(0) 分类 新东方背诵文选

Tokyo Electric Power Company says up to 120 tons of highly radioactive water may have leaked out of the crippled Fukushima Daiichi nuclear plant. Masayuki Ono is a spokesman for the company, which operates the nuclear plant. We followed correct proce

发表于:2018-12-19 / 阅读(150) / 评论(0) 分类 英闻天下

Japanese residents are protesting against the country's nuclear power policy following revelations that over 300 tons of contaminated water flow daily from the Fukushima Daiichi nuclear power plant into the sea. Japan's authorities confirmed that the

发表于:2018-12-19 / 阅读(111) / 评论(0) 分类 世界各地新闻集锦

Camel herders scoop up water in plastic buckets from one of the few watering holes in the area, to water their animals near the drought-affected village of Bandarero, near Moyale town on the Ethiopian border, in northern Kenya, Friday, March 3, 2017.

发表于:2018-12-20 / 阅读(165) / 评论(0) 分类 2017CRI中国国际广播电台

Lesson 47 Television Day: The sea TV Commentary: If you looked at the Pacific from a space-capsule you might think that the world was all water. You would hardly be able to see any land at all. Water covers most of the earth's surface. The sea contai

发表于:2018-12-20 / 阅读(211) / 评论(0) 分类 朗文3L看听学英语第四册

The concept of obtaining fresh water from icebergs that are towed to populated areas and arid regions of the world was once treated as a joke more appropriate to cartoons than real life. But now it is being considered quite seriously by many nations,

发表于:2018-12-30 / 阅读(131) / 评论(0) 分类 考研背诵50篇

Water is the

发表于:2019-01-02 / 阅读(212) / 评论(0) 分类 知性英语

Coal consumption is increasing in many parts of the world, driven by skyrocketing energy demands in rapidly developing countries like China. But with coal comes pollution: from climate-changing carbon dioxide to coal ash, the powdery toxic waste left

发表于:2019-01-14 / 阅读(143) / 评论(0) 分类 VOA标准英语2011年(三月)

Many Chinese cities have introduced rainwater reuse systems to relieve the pressures of scarce water supply brought by fast development. Li Dong has more. As one of the fastest growing cities in China with a population of over 23 million, Shanghai is

发表于:2019-01-19 / 阅读(125) / 评论(0) 分类 英闻天下

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(153) / 评论(0) 分类 自然百科2009年

Let's look first. The fresh water that we depend on begins its life in the oceans. As the sun's rays beat down on the surface of the sea, they heat the water molecules until some evaporate. It's the start of an extraordinary journey. Here with water

发表于:2019-01-22 / 阅读(110) / 评论(0) 分类 自然百科2010年

JUDY WOODRUFF:Now: why some of the Great Lakes are dropping to record low levels, and the economic bite that's accompanying this environmental change. Elizabeth Brackett of WTTW Chicago has the story. ELIZABETH BRACKETT, WTTW: Leland Harbor is the he

发表于:2019-01-27 / 阅读(157) / 评论(0) 分类 PBS访谈环境系列

A big,black crow wanted to drink some water.She saw a big jug with some water at the bottom,but she could not reach the water.I know,she said,I shall put some stones into the jug.Then the water will come up to the mouth. After the fir

发表于:2019-02-04 / 阅读(151) / 评论(0) 分类 趣味英语

Eliminate fireplace odor There's nothing cozier on a cold winter night than a warm fire burning in the fireplace -- unless the fire happens to smell horrible. Next time you have a fire that sends a stench into the room, try throwing a few lemon peels

发表于:2019-02-06 / 阅读(180) / 评论(0) 分类 阅读空间

The Minister for the Environment, Dr Nick Smith, said today that the government will spend money on controlling our fresh water and will make some important laws. New Zealand is number 3 in the world for the amount of water per person. We have many r

发表于:2019-02-25 / 阅读(180) / 评论(0) 分类 新西兰英语

The Nautilus is made up of two hulls, one inside the other; between them, joining them together, are iron T-bars that give this ship the utmost rigidity. 诺第留斯号由双层船壳造成, 一层是内壳,另一层是外壳,两壳之间,用许

发表于:2019-02-25 / 阅读(142) / 评论(0) 分类 《海底两万里》中英双语有声读物

That nine hundred years is an averageand a somewhat misleading one. 900年是个平均数字也是个会让人产生错觉的数字。 According to Robert B. Smith and Lee J. Siegel in Windows into the Earth, a geological history of the region, 罗伯特

发表于:2019-02-25 / 阅读(128) / 评论(0) 分类 万物简史
学英语单词
2-AMINO-1-PROPYNE
abdominal pain in children
acceptance in bank
Actinomyces bovis
additional thrust rudder fin
adjustable tripod
air hole
anti-stripping agent
antibunched
apteryx
archils
audio-in
auto-punch hardness tester
be just what the doctor ordered
beayell
cake isinglass
Camellia tunganica
catalog case
chestnut tree
chromatroposcope
chronic source
coal loader
column binary card
compound chromosome (novitshy 1954)
cool it
cryptochirality
cryptorachischisis
Cumuto
dermatomyzon nigripes
development aid tool
differentiable random function
dillweeds
displacement type seismometer
earth coordinate system
ectocommensality
electrode positive
entire evidence
envenoms
epiparaclase
espionages
exfiltration operation
flere nut
fly agarics
frequency encoded cdma
graphical calculation
hematoid cancer
independent contact
infection of abdominal wall
intravehicular activity robot
jet bridges
knot-head
launching oil
lead sb into an error
liquid gas storage tank
liquid-plastic combine tester
make best possible firm offer
mediocritize
nanofiber
nicking tool
non-regulated discharge
Nonne-Apelt reaction
northmore
opv
Oxytropis alpina
phish
polycentrism
Polysaccharide-Iron
practical ability
precession angle
prodi
proper plantar digital nerve of lateral plantar nerve
prysage
pto manure spreader
put the screws on sb
Raffaelesque
rehanging
request for offer
retrainable
risk index
Robert Bridges
schildkraut
science and technology determinism
semantic interpretation function
semiperipheral growth
setch
sham-movement vertigo
speiss-cobalt
stick knocker
stomach intestine
Supamo, R.
taker-in
theological virtues
unblotched
upsurgence
vectoring instructions
veeck
viagraph
voltaggio
Vostochnyy Kamennyy, Ostrov
vv. profund? penis
wave energy propagation
weaving loom