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(576) / 评论(0) 分类 赖世雄高级美国英语

[00:03.20]Unit 7 The Sea Lesson 3 The Sea World [00:07.92]UNDERwater WORLD [00:10.16]The Best Plance To See Sea Creatures [00:13.62]Polar World [00:15.75]We have polar bears and a real iceberg too! [00:19.45]You can only see a small part of it [00:21

发表于:2018-12-04 / 阅读(332) / 评论(0) 分类 北师大版高中英语模块3

A salty breeze blew into the tree house. Seagullsscreeched overhead. Jack and Annie looked out thetree house window. They were high in the branches of a gnarled oldtree. The tree was on a sea cliff beneath snowcappedmountains. The mountains overlooke

发表于:2018-12-10 / 阅读(53) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

THIS IS AMERICA - Playing in the Sun and Sea at Martha's Vineyard and Nantucket BARBARA KLEIN: Welcome to THIS IS AMERICA in VOA Special English. I'm Barbara Klein. This week on our program, we tell you about two islands in Massachusetts, in the New

发表于:2018-12-16 / 阅读(65) / 评论(0) 分类 2011年VOA慢速英语(七)月

Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Robin Basselin. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 Over 60% of our planet is covere

发表于:2018-12-19 / 阅读(74) / 评论(0) 分类 环球英语 Spotlight

Voice 1 Welcome to Spotlight. Im Anne Muir. Voice 2 And Im Bruce Gulland. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 Aurlie Spadone knows all about

发表于:2018-12-19 / 阅读(63) / 评论(0) 分类 环球英语 Spotlight

(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(119) / 评论(0) 分类 托福听力短文

At the Edge of the Sea The shore is an ancient world, for as long as there has been an earth and se a there has been this place of the meeting of land and water. Yet it is a world that keeps alive the sense of continuing creation and of the relentle

发表于:2018-12-31 / 阅读(138) / 评论(0) 分类 英语名著名段背诵精华

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(106) / 评论(0) 分类 火星生命

Mars Rover Finds Evidence of Ancient Sea David McAlary The U.S. space agency NASA says Mars once had a shallow, salty sea that could have supported life. The evidence has come from chemical and physic

发表于:2019-01-04 / 阅读(59) / 评论(0) 分类 VOA2004(上)--各类新闻

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(229) / 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(267) / 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(90) / 评论(0) 分类 VOA2004(上)--国际时事

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(76) / 评论(0) 分类 自然百科2010年

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(53) / 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(78) / 评论(0) 分类 英语语言学习

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(79) / 评论(0) 分类 万物简史

Part 6 The Old Man and the Sea 第六部分 老人与海 The sun rose thinly from the sea and the old man could see the other boats, low on the water and well in toward the shore, spread out across the current. Then the sun was brighter and the glare

发表于:2019-02-25 / 阅读(63) / 评论(0) 分类 双语有声阅读

Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Robin Basselin. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 Over 60% of our planet is covere

发表于:2019-03-04 / 阅读(389) / 评论(0) 分类 环球英语 Spotlight

Voice 1 Welcome to Spotlight. Im Anne Muir. Voice 2 And Im Bruce Gulland. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 Aurlie Spadone knows all about

发表于:2019-03-04 / 阅读(142) / 评论(0) 分类 环球英语 Spotlight
学英语单词
adaptive estimator
agency havas
air breathing engine
Alumate-HC
aluminum thiocyanate
Androsace flavescens
archistome
Atchafalaya River
avin
Batimére Sara
be benefited
bobtail pool
bornological
carlavirus lycoris virus t
circumspection
conditional relation
confocusing
conformable strata
convert object
coordinative polymerization isomerism
coreid buy
culture free test
Dalfatol
Damrosch, Walter (Johannes)
deductive method/reasoning
degree of safety
depressed mood
dercum
dermoid cyst of conjunctiva
desclerotization
erichson
expectation for demand changes
experimental loop
exudation-pressure test
facundate
first performance
fish-farm
floor leaders
forging technology
gala pie
glomerids
grievance
Griqualand East
hard-liners
high consumption society
illegitimate enterprises
lattice type
leather flap roller
lip bumper
marginal history
market barriers
mechanosensitive
meridional syzygy tide
microsurgeries
mother's helper
motor-operated welder
moves forward
myrmekite texture
nanny-states
Nirex
nonlandlords
oncomodulin
ostrich ferns
overbookings
P-SG
pantyliner
parenol
partition exchange sort
penny-rot
phthiremia
polytheized
potentiality of seed
precision-guided
price coefficient
pumping lemmas
quinolinic anhydride
railway culvert
recoil fission fragment
remote frame
Rhododendron rufum
right most derivation sequence
rurigene
silver-footed
simulated program
slugginshness
spurious hermaphroditism
stem-jack
Stradbroke Seamount
succession theory
Sybil attacks
teacher practices inventory
third culture kid
thunder-fly
total potential drop
triphenyl methane
tropical pedocalic soil
unenvious
unmusically
vertical recording
volost'
warrant in bankruptcy
wedding dance