水面蒸发

40 Cohesion-tension Theory Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. Until the end of the ni

发表于:2018-11-28 / 阅读(327) / 评论(0) 分类 新概念优美背诵短文50篇

If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic salinity. One of these is the

发表于:2018-11-28 / 阅读(305) / 评论(0) 分类 新概念优美背诵短文50篇

Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. U

发表于:2018-12-15 / 阅读(237) / 评论(0) 分类 新东方背诵文选

This is the VOA Special English Development Report. A few degrees can make a big difference when it comes to food storage. Foods can go bad if they get too warm. But for many of the world's poor, finding a good way to keep food cool is difficult. Re

发表于:2018-12-15 / 阅读(105) / 评论(0) 分类 VOA慢速英语2007年(十一)月

In China, saltiness is deemed as the most important flavor. 在中国的烹饪辞典里盐是百味之首 Every day except for rainy ones,Liu Yingwu is busy working in the brine pan. 不下雨的日子里,阿刘每天都要在盐田里忙碌 You ha

发表于:2018-12-28 / 阅读(116) / 评论(0) 分类 舌尖上的中国第一季

Cohesion-tension Theory Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. Until the end of the ninete

发表于:2019-01-08 / 阅读(90) / 评论(0) 分类 英语小短文

The Salinity of Ocean Waters If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic s

发表于:2019-01-08 / 阅读(102) / 评论(0) 分类 英语小短文

Experts: El Nino Could Be the Strongest on Record 专家:今年厄尔尼诺现象或是史上最强 Weather experts say this year could be one of the strongest El Nino events in recorded history. Experts say El Nino could mean severe weather conditio

发表于:2019-01-12 / 阅读(89) / 评论(0) 分类 2015年VOA慢速英语(十一)月

AS IT IS 2015-11-03 More of Us to Go Thirsty As Earth Dries Up Water supplies around the planet are running dry at an alarming rate. Scientists say the world is experiencing a shortage of fresh water. It will only worsen as the population grows and t

发表于:2019-01-12 / 阅读(95) / 评论(0) 分类 2015年VOA慢速英语(十一)月

Lesson 70 Evaporation 第70课 蒸发作用 Let us fill a small kettle with water, and place it on the fire. The water will soon begin to boil. After an hour or so we shall find the kettle quite empty, although no one has touched it since it was plac

发表于:2019-01-17 / 阅读(97) / 评论(0) 分类 英国学生科学读本

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(115) / 评论(0) 分类 PBS访谈环境系列

关于、基础、靠、著论 例: This afternoon we are going to listen to a report on the international situation. 今天下午我们要听关于国际形势的报告。 Professor Shen will give us

发表于:2019-02-01 / 阅读(81) / 评论(0) 分类 考研英语

科学家估计,如果不减少二氧化碳排放,2100年地球平均气温将至少上升4摄氏度,到2200年会上升8摄氏度,无疑是地球灾难性的噩梦。 此前有科学家用气候模型分析称,全球气温将受二氧化碳排

发表于:2019-02-06 / 阅读(78) / 评论(0) 分类 阅读空间

WASHINGTON, May 17 (Xinhua) -- The U.S. National Aeronautics and Space Administration (NASA) announced Tuesday that the international Aquarius/SAC-D observatory will be launched on June 9, to study interactions between ocean circulation(循环) , the

发表于:2019-02-08 / 阅读(86) / 评论(0) 分类 英语新闻

We might not be alone in the universe. Actually, it may be confirmed as a very crowded place by new computer models developed to help identify habitable planets. Estimates of places that can sustain life have been based on the likelihood of them havi

发表于:2019-02-13 / 阅读(70) / 评论(0) 分类 英语听力精选进阶版

What the Student Say in Science Classes 自然科学课上学生们都说了什么 The following quotations were gleaned from classroom discussions in 5th and 6th grade science classes. 下面的这些话都是从五六年级的自然科学课的课堂

发表于:2019-02-17 / 阅读(106) / 评论(0) 分类 英语小达人

Icebergs Icebergs are among nature's most spectacular creations, and yet most people have never seen one. A vague air of mystery envelops them. They come into being -- somewhere -- in faraway, frigid waters, amid thunderous noise and splashing turbul

发表于:2019-02-17 / 阅读(81) / 评论(0) 分类 双语有声阅读

Cohesion-tension Theory Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. Until the end of the ninete

发表于:2019-02-17 / 阅读(83) / 评论(0) 分类 双语有声阅读

When you look at a lake, you are looking at a collection of molecules that have been there on average for about a decade. 要是你望一眼湖水,你看到的是一大堆分子,它们在那里平均已达10年之久。 In the ocean the residence

发表于:2019-02-25 / 阅读(88) / 评论(0) 分类 万物简史

The Salinity of Ocean Waters If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic s

发表于:2019-02-25 / 阅读(168) / 评论(0) 分类 双语有声阅读
学英语单词
aceee
Aderbissinat
Aedes w-alba
Africanoid
all usual risk
Allium spurium
analog/mixed-signal ics
antilepsis
aquavits
area filling
Avaric
average life of well
befog
bi-doppler scoring system
Blankney
Blankville
boron-absorption technique
calculus of lower urinary tract
catalytic force
cellular division multiple access
chord of the diminished seventh
coelenterons
colored agricultural film
coronet braid switch
Cosworth
cross cut-off wall
crossopterygiis
danghara (dangara)
desert-dwellers
DESQ
diacritical mark
electric fields
epibolic
erichts
external pin wheel
Fail-spot
flux-corrected transport method
follets
forcets
fund-raising drives
gamma-ray interaction
gas heat capacity
graphicacy
Hash-mark
Hypnox
in one fell swoop
inductive train signaling
inflammatory response
infomercial
ingenuously
Injune
Insurance Piss
intake roller
irish lawn
jacobinic
L. Ron Hubbard
lachaises
leaf cycle
leftover(s)
local metrological-service organization
Lumenbronze
makovickyite
mcleish's inequality
motif study
mythologised
neutron number density
non optical propagation
omrahs
overhead ring circuit
pairing force
PC-on-a-Stick
perforated head
phenol red serum test
Pick City
piriform(muscle)
political analyst
potential germ cells
Protophormia terraenovae
rag wrapping
regular gray iron
revolving block engine
Riley County
solvent laminating
state chartered banks
stochastic deformation model
supercaffeines
superdistention
supraoesophageal nerve
temperature of superheat
temperature traverse
tensioner of large type
the goat
tuttles
twiche
tympanoincudolabyrinthopexy
universal miller
verge of bankruptcy
viterde
volupteous
volutations
welsh dances
worl