海水密度

So you think that by staying at home you are safe from all the terrible kinds of pollution present outdoors, such as in or near factories, roads, and garbage dumps? Do you think that by staying in you

发表于:2018-11-27 / 阅读(609) / 评论(0) 分类 赖世雄高级美国英语

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 are

发表于:2018-12-04 / 阅读(101) / 评论(0) 分类 人教高中英语高二

浮游生物粪渣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, they have learned that one of the most sensitive instruments could

发表于:2018-12-19 / 阅读(80) / 评论(0) 分类 VOA双语新闻 2015年10月

Water contamination has caught increasing attention among the Chinese public. Some have gone so far as to challenge local environmental officials to swim in a polluted river. Ma Jun has been an active environmentalist for more than 10 years. About ha

发表于:2018-12-19 / 阅读(76) / 评论(0) 分类 英闻天下

NATURE'S NURSERY: ESTUARIES As the oceans are the source of life on earth, the estuaries are our planet's nurseries. An estuary is the body of water where a river meets the ocean. Salt water from the ocean and fresh water from the river mix together

发表于:2018-12-29 / 阅读(170) / 评论(0) 分类 人教高中英语高二

(woman) To us, the environment in which fish dwell often seems cold, dark, and mysterious. But there are advantages to living in water, and they have played an important role in making fish what they are. One is that water isn't subject to sudden te

发表于:2018-12-30 / 阅读(154) / 评论(0) 分类 托福听力短文

Well, hearing that Odyssey had found subsurface water on Mars was enormously exciting for somebody who is involved in planning to send humans to Mars. Water has a number of important uses for us. At t

发表于:2019-01-02 / 阅读(137) / 评论(0) 分类 火星生命

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(266) / 评论(0) 分类 高中英语听力人教版第二册

Natures Nursery: Estuaries As the oceans are the source of life on earth, the estuaries are our planets nurseries. An estuary is the body of water where a river meets the ocean. Salt water from the ocean and fresh water from the river mix together in

发表于:2019-01-09 / 阅读(309) / 评论(0) 分类 高中英语听力人教版第二册

Kurt Achin It is rainy season in Southeast Asia, and the region is facing its annual battle with dengue fever and other mosquito-borne diseases. The World Health Organization says such diseases are a

发表于:2019-01-11 / 阅读(126) / 评论(0) 分类 VOA2004(上)--国际时事

海洋雪有助预测气候变化 As if materializing from a different dimension, the submersible device called PELAGRA slips below the surface and sinks into a research pool at the National Oceanography Centre, in Southampton, England. 位于英格兰

发表于:2019-01-14 / 阅读(127) / 评论(0) 分类 VOA标准英语2016年(一月)

Some believe that massive underwater landslides or earthquakes can violently release gas from a substance called methane hydrate trapped beneath the sea bed. As its escaping bubbles rise, they lower the density of the surrounding ocean. The ship drop

发表于:2019-01-22 / 阅读(94) / 评论(0) 分类 自然百科2010年

It's just magic. When you follow it, you can see that this is the perfect union of the tree and the villages. The locals have kind of trained the roots, kind of guided them through and netted them together. What they've done here is they've grabbed s

发表于:2019-01-22 / 阅读(115) / 评论(0) 分类 自然百科2010年

Water contamination has caught increasing attention among the Chinese public. Some have gone so far as to challenge local environmental officials to swim in a polluted river. Ma Jun has been an active environmentalist for more than 10 years. About ha

发表于:2019-02-14 / 阅读(95) / 评论(0) 分类 英闻天下

Oil and Water To understand the emulsifying process, we must first accept the scientific principle that oil and water do not naturally mix. Quite literally, they find each other's presence repulsive. A good illustration of this aversion is homemade o

发表于:2019-02-17 / 阅读(91) / 评论(0) 分类 双语有声阅读

Over the past six months, I've spent my time traveling. I think I've done 60,000 miles, but without leaving my desk. And the reason I can do that is because I'm actually two people. I look like one person but I'm two people. I'm Eddie who is here, an

发表于:2019-02-21 / 阅读(111) / 评论(0) 分类 英语语言学习

US Scientists working on new ways to battle the erosion that threatens Louisiana's coastline have a dramatic new tool: a massive replica of the lower Mississippi River. The multi-million US dollar model, complete with flowing water, aims to isolate t

发表于:2019-02-22 / 阅读(157) / 评论(0) 分类 2018CRI中国国际广播电台

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(123) / 评论(0) 分类 《海底两万里》中英双语有声读物

What's more, I've detected those falling and rising currents that make up the ocean's true breathing. 此外,我又注意过那些由上而下和由下而上的水流,形成真正的海洋呼吸作用。 I've seen a molecule of salt water heat up

发表于:2019-02-25 / 阅读(98) / 评论(0) 分类 《海底两万里》中英双语有声读物

Oceans are the real powerhouse of the planet's surface behavior. 海洋是地球表面活动的真正动力源泉。 Indeed, meteorologists increasingly treat oceans and atmosphere as a single system, which is why we must give them a little of our at

发表于:2019-02-25 / 阅读(112) / 评论(0) 分类 万物简史
学英语单词
0477
absent from
acid orange
affective melancholia
almeydas
alocopocythere hui
anchoring time
animales
anle-
Arctic mouse-ear
balaus
balzar
bilirubin clearoance test
Brandywine Creek
bursa equivalent organ
Canamero
certificates
Chernigovka
chlorinous
chondracanthid
cisterna corporis callosi
club-swinging
committed capacity cost
constructive value
convergence and divergence
cosmobiology
croul
cta
defining vocabulary
dhawalagiri (dhaulagiri)
display procedure
distempered
dollar-cost averaging
dual plunger mould
edeology
elastic frame
enfermerere
eyesocket
five-and-ten system
fluorine cleanup reactor
fusion tag
gaoling
government-sanctioneds
HAMROUNI
Hepagonnovum
horizontal loop combination
horticulturist
humanitarian operations center
indirect echoes
indole-negative
inflammatary disease
inner film coefficient
intake manifold stud
inverting gate
loop-line flow counter
lurcher
magnetic intensity
merm
metafind
meteoritic
microsporids
multi-function ultrasonic scanner
nautical quality
on-demand information
over-reaches
paraphobia
pectus
pellini drop weight test
peloponese
political-security
post-febrile
pph.
put on the face of
put someone up on his ear
QOLIE
roof rake
rotary working-table
satphyloangina
seismic correlation
sheet metal duct
shock-free
sonar set
special materials welding
submission envelope
syenide
syndiotactic
synthetic fibre goods
the peacemaker
Tho Lam
time division duplex code division multiple access
Tinkie
todam (dodam)
tomacco
trichiliocosm
triplasy
ultrahigh energy accelerator
undersell
walk lame
wansink
wave angle
whydunnit
wunte