音标:[freʃ ˈwɔ:tə ˈplæŋktən] ;
淡水浮游生物

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(612) / 评论(0) 分类 新概念优美背诵短文50篇

THE PROPERTIES OF WATER Earth is an ocean planet. About three billion years ago, life on our planet began in the deep blue seas. Ninety-nine percent of the living space on earth is in the oceans. Marine life is incredibly rich and varied. There are

发表于:2018-12-04 / 阅读(188) / 评论(0) 分类 人教高中英语高二

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(245) / 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(192) / 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(219) / 评论(0) 分类 新东方背诵文选

Plankton Poop May Help Scientists Predict Climate Changes 浮游生物的粪便帮助科学家预测气候变化 Scientists trying to predict future changes in our climate are using every possible source of data to make their calculations. Lately, th

发表于:2018-12-16 / 阅读(200) / 评论(0) 分类 VOA标准英语2015年(十月)

Climate Change Might Shrink Fish 气候变化会迫使鱼类变小 As the world's oceans heat up, salmon are migrating earlier. Plankton are shifting their range. But warmer water temperatures also mean warmer fishand faster-running metabolisms. 随着

发表于:2018-12-24 / 阅读(183) / 评论(0) 分类 2017年Scientific American(九)月

This bleaching occurs because corals can only live in a narrow temperature range, healthy corals get their color from microscopic algae living in their tissues, these manufacture food for the corals by photosynthesis, but when the temperature rises j

发表于:2018-12-26 / 阅读(162) / 评论(0) 分类 自然百科2014年

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(185) / 评论(0) 分类 考研背诵50篇

CHAPTER 3 Ships School Sea gulls flew after the boat, screaming. The cook threw out food for them. They screamed louder and louder. More and more came, until there were hundreds. Arent they beautiful! cried Jessie. She went over to look. A big gull l

发表于:2018-12-31 / 阅读(181) / 评论(0) 分类 6 蓝色海湾之谜 Blue Bay Mystery

Water is the

发表于:2019-01-02 / 阅读(287) / 评论(0) 分类 知性英语

The Properties Of Water Earth is an ocean planet.About three billion years ago,life on our planet began in the deep blue seas.Ninety-nine percent of the living space on earth is in the oceans.Marine life is incredibly rich and varied. There

发表于:2019-01-09 / 阅读(389) / 评论(0) 分类 高中英语听力人教版第二册

This is the VOA Special English Agriculture Report. A listener in Abuja, Nigeria, named Okorie wants to know more about fish pond farming. Bill Martin, president of Blue Ridge Aquaculture, with tanks of shrimp in Martinsville, Virginia Raising fish

发表于:2019-01-11 / 阅读(218) / 评论(0) 分类 VOA慢速英语2008年(十一)月

Plankton More Important than Scientists Thought 浮游生物比科学家认为的重要的多 For years, most people thought of small organisms called plankton as food for whales and other large sea animals. But a four-year long study discovered that

发表于:2019-01-12 / 阅读(177) / 评论(0) 分类 2015年VOA慢速英语(六)月

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(146) / 评论(0) 分类 自然百科2010年

Science and technology 科学技术 The Arctic 北极海域 Tequila sunset 龙舌兰日落 Global warming may make the northernmost ocean less productive, not more so 全球变暖对北极海域生产力的负面影响 ON SEPTEMBER 16th 2012, at the

发表于:2019-02-05 / 阅读(262) / 评论(0) 分类 经济学人科技系列

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(235) / 评论(0) 分类 阅读空间

By Phil Mercer Sydney 20 February 2008 Scientists say they have taken an array of new marine species from the seabed off eastern Antarctica. They are warning, though, that climate change could soon make extinct many of the strange creatures they have

发表于:2019-02-06 / 阅读(204) / 评论(0) 分类 VOA常速英语2008年(二月)

Science and technology 科学技术 The Arctic 北极 Tequila sunset 龙舌兰日落 Global warming may make the northernmost ocean less productive, not more so 全球变暖可能降低最北部海域的活力,而不是使之更有生命力。 ON S

发表于:2019-02-18 / 阅读(214) / 评论(0) 分类 经济学人科技系列

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(233) / 评论(0) 分类 新西兰英语
学英语单词
Acoelea
aerobics exercise
after-burthen
alkaline series
arctic patrol icebreaker
atmosphere-comtrolling apparatus
basis of integer
be even with somebody
Bloch, Felix
buster collar
butas
capital of Nigeria
carry-on brooder
cartilagineum
coal heaver
completed job method
darrigo
deductive analysis
deepwaterman
delicioso
Dipoma
dynamofluidal texture
effective thyroxin ratio
explanatory adequacy
fan-shaped
Federal Islamic Republic of the Comoros
free living parasitism
grayline
ground-mobile
home theater projector
hot melt gun
hydrobiontic alga
Illicium floridanum
imidoyls
IP packet
joint tortfeasors
kacou
Kasempa
keep it on the down low
kinesiometer
Knudsen flow
Kurtköy
land of promise
laser-assisted in situ keratomileusis
light flux
light platinum metals
ligury
loaded sheet
logical positivist
Mac. & R.
make a great stir
market acceptance stage
mechanical pressure gauge
merlion
minimal product-of-sums
mural-painting
mutlu
Ngourti
nightbreak
novelty yarn
oreison
overseas insurance
Paneth's adsorption rule
passats
Pele-type
periodic arrangement
periproctitic abscess
phone-calls
portfolio movement
prebilabial
proprietary routing terminal
questionmasters
re-entrant angle(reentering angle)
reversing device
rhrzomycelium
Riksmal
roller nip
Salmonella enteritidis bacteriophage
sensitive tapping machine
shophouse
Siguiri
single furrow plow
single row radial thrust ball bearing
sir joseph john thomsons
skylining
soarage
steracle
subaqua
take a lease of
Tethered radar reflector
three-speed gear
TORCH infections
torsional resonance
two-armature
Uncinula
under production
vishers
washracks
wastur
water-logged
yoked control
zoophilias