蒸发失水

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(287) / 评论(0) 分类 新概念优美背诵短文50篇

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 wat

发表于:2018-12-15 / 阅读(198) / 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(84) / 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(93) / 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(77) / 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(83) / 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(68) / 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(72) / 评论(0) 分类 2015年VOA慢速英语(十一)月

Waste Not, Want Not Next week (8/26-31) is World Water Week, and this years theme is Water and Food Security. Some 25 hundred officials, policymakers and scientists will gather in Stockholm for the largest annual meeting on water development issues.

发表于:2019-01-13 / 阅读(78) / 评论(0) 分类 VOA标准英语2012年(八月)

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(78) / 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(103) / 评论(0) 分类 PBS访谈环境系列

DEVELOPMENT REPORT - Simple Ways to Keep Food Cool By Bob Bowen Broadcast: Monday, September 05, 2005 I'm Faith Lapidus with the VOA Special English Development Report. Bacteria can make foods go bad.

发表于:2019-01-30 / 阅读(67) / 评论(0) 分类 农业与发展

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(62) / 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(63) / 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(71) / 评论(0) 分类 英语新闻

See the shadow, the stick has moved a bit,put a rock on the other end, and you get a line here. 看这影子 已经移动了一点 放块石头在新的末端上 这样就会有条直线 If you stand on that line,face the stick, you're gonna be headi

发表于:2019-02-16 / 阅读(51) / 评论(0) 分类 荒野求生

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(90) / 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(64) / 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(72) / 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(150) / 评论(0) 分类 双语有声阅读
学英语单词
(pons (varolii))
a house divided
act formerly done
airdressing
alpine hemlock
an aeroplane shed
antithyroidin
average warranty
aviation weather report
back kip
barrelsful
bearing symbol
bluemink
bowshocks
Bulbophyllum crassipes
capital asserts
cash and carry wholesaler
chattle mortgage
chiton
chlorine products
combination draw-reverse draw die
conductivity type flow meter
constant voltage motor
continuous full-load run
coreander
corporate chain store system
Crawton
credobaptist
crotonaldehydes
cystic follicle
double-bankeds
egg candler and grader
enechema
enquire
Fallopia cynanchoides
farstretched
fluid substance
flux integral
foreguessed
fully laden tanker
green control grid
grit one's teeth
guaranteed satisfaction
Harlem Globetrotters
herbicide-resistant
hexadeoxynucleotide
high-temperate controlling
hit-squads
hosta longissima honda
i guess so
income expenditure analysis
index matching
inferior bursa of biceps femoris muscle
ingled
instructional map
intercomprehensible
Kisslinger-Sorensen theory
knight of the rainbon
laughter
lay a guilt trip on someone
Loku, Gunung
manganeses bronze
mesenchymoma
meta-information
Methimazolum
Modu
nonfasting
normally distributed observations
object code listing
operational condition
order saprolegnialess
pars filamentosa
photo-retouching
pseudo-crystalline material
representative feeling
schwannoma
scum box and baffle
sea beat
series coil trip
sign language in dance (africa)
simplifaction
single-column tariff
single-J groove weld
soors
southerly burster
SPADATS
spongiitis
standed
stuttering
supplementary bearing
sweep interference
synchro trace
the English Civil War
transformed value of a measurand
uncrisped
vacuum control piston
verification methodology
virtual convergence
waimanu b.
ways out
went a long way towards
word divisions