水汽循环

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(330) / 评论(0) 分类 新概念优美背诵短文50篇

手部按摩 [00:07.16]Listen and Share [00:15.81]Hand Massage 手部按摩 [00:22.66]英文原文 [00:24.66]To stimulate circulation, [00:26.50]rub your palm over the back of the hand [00:29.68]and then repeat with the other hand. [00:32.87]This movement is ve

发表于:2018-12-05 / 阅读(186) / 评论(0) 分类 美容时尚英语

Aqua Spacecraft 水资源监测太空船 NASA's latest and most ambitious weather satellite is measuring Earth's water cycle. Learn more about the Aqua satellite -- today on Earth and Sky. DB: I'm Deborah Byrd. JB: And I'm Joel Block for Earth and Sky. This

发表于:2018-12-07 / 阅读(133) / 评论(0) 分类 (科普英语)Earth and Sky

Conditions on Mars were so harsh that it was hard to imagine any life surviving there. The idea of sophisticated aliens was wiped out. We know that conditions on Mars today are not very good for life.

发表于:2018-12-07 / 阅读(128) / 评论(0) 分类 火星生命

Rainforests exist because it rains a lot and that makes the forests grow, right? Well, not so fast. What if its not the rain that makes the forestswhat if its the forests that actually generate the rain? Thats the contention of a paper in BioScience

发表于:2019-01-02 / 阅读(178) / 评论(0) 分类 60秒科学

Rainforests exist because it rains a lot and that makes forests grow, right? Well, not so fast. What if its not the rain that makes the forests? What if its the forests that actually generate the rain? That is the contention of a paper in BioScience

发表于:2019-01-08 / 阅读(136) / 评论(0) 分类 Scientific American(五)月

Cooking is one big science experiment and chefs have been gaining fame for more explicit uses of scentific techniques and tools in the kitchen. Now, according to an article in the December issue of physics world, mixologists the folks behind the bar

发表于:2019-01-08 / 阅读(122) / 评论(0) 分类 Scientific American(十二)月

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(129) / 评论(0) 分类 英语小短文

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(101) / 评论(0) 分类 阅读空间

BEIJING, Oct. 21 (Xinhuanet) -- A team of European researchers announced that they have found vast water vapor out of our solar system, according to a study in the U.S. journal Science Friday. Using Herschel Space Observatory, a European Space Agency

发表于:2019-02-09 / 阅读(138) / 评论(0) 分类 英语新闻

Man, born of woman, is of a few days, and full of trouble; 人从呱呱落地,只是短暂的几天,麻烦不断; He cometh forth as a flower, and is cut down; 他初如鲜花哪堪折; He fleeth also as a shadow, 像影子一样循去, And

发表于:2019-02-11 / 阅读(105) / 评论(0) 分类 美国语文第六册

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(131) / 评论(0) 分类 英语小达人

LOS ANGELES, April 18 (Xinhua) -- Sugarcane(甘蔗) has the effect of cooling temperatures(温度) , thus playing role in stemming global warming, a new study has found. Sugarcane does so by reflecting sunlight back into space and by lowering the

发表于:2019-02-18 / 阅读(116) / 评论(0) 分类 英语新闻

There are 320 million cubic miles of water on Earth and that is all we're ever going to get. 地球上有13亿立方公里水,这是全部。 The system is closed: practically speaking, nothing can be added or subtracted. 系统已经关闭,说得明

发表于:2019-02-25 / 阅读(135) / 评论(0) 分类 万物简史

What happens is that surface waters, as they get to the vicinity of Europe, 情况是这样的:表面海水抵达欧洲附近以后, grow dense and sink to great depths and begin a slow trip back to the southern hemisphere. 密度增加,沉到深

发表于:2019-02-25 / 阅读(89) / 评论(0) 分类 万物简史

Because the greatest necessity for so doing would seem to be, when in feeding he accidentally takes in water. 因为,它之所以要这样排水,最大的原因倒似乎是因为它在吃东西的时候,偶然吸进了水的缘故。 But the Sp

发表于:2019-02-25 / 阅读(105) / 评论(0) 分类 白鲸记

Furthermore, as his windpipe solely opens into the tube of his spouting canal, 而且,因为它的气管是单独通向它那喷水道的管子的, and as that long canallike the grand Erie Canal is furnished with a sort of locks (that open and s

发表于:2019-02-25 / 阅读(110) / 评论(0) 分类 白鲸记

How obvious it is it, too, that this necessity for the whale's rising exposes him to all the fatal hazards of the chase. 鲸既然必需这样冒出水面来,那么,它显然就有遭到追击的一切生命攸关的危险了。 For not by hook o

发表于:2019-02-25 / 阅读(112) / 评论(0) 分类 白鲸记

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(183) / 评论(0) 分类 双语有声阅读

James Watt And The Teakettle A little Scotch boy was sitting in his grandmother's kit- chen. He was watching the red flames in the wide open fire- place and quietly wondering about the causes of things. In- deed, he was always wondering and always wa

发表于:2019-02-25 / 阅读(101) / 评论(0) 分类 双语有声阅读
学英语单词
a spider and a fly
AC power system
Aconitum jaluense
agot
alphamerical
anchorage chart
anterior thoracic air sac (or anterior intermediate sac)
asia pacific
auriculo-acupuncture anesthesia
aurous
bannate
bay platforms
board of reference
borchgrevink coast
Boselaphus tragocamelus
bucks up
cadence rampa
car dealer
carburetor icing
cerium(iii) chlorate
chapinha
choked scree
Christie B.
Christmas stockings
churchship
coefficient of specific speed
color light system
come to the fore
creatorless
cut of file
dermochelyid
diamond rivetting
diffuser air supply
dwelling period
emblossoming
engraving etching
excitosecretory nerve
explosion equivalent
father of the bride
fellner
frequency tuning range
fuel storage pool bridge
full -line forcing
full period service
gains on bond retirement
gangsterlike
Glogers rule
gross revenue
jahrhunderts
jolt toughness
kassman
lamellate antenna
leafcutter ants
leased access
Lolowau
long baseline interferometry
look-ahead symbol propagate
lower spring injector
marvellous
motor scythe
multi-codend seine
next consecutive bucket
nodulizing process
non competitive bids
Pacta sunt servanda.
paraties
picescent
play ball with sb.
polymerasic
pre-grinding hob
pristane
program circuit
pseudomilitary
pulse output power
ring channel
run-time accumulator
see-saw switch
smooth down
stability of dye
stand-by station
Stones River
Sycow
systems reliability analysis
tantalum thin-film microcircuits
tauridors
The Fixed Limits Per Ton
Timan Ridge
tortilla curtain
transborder rate
trimerite
trimuscular
Trltter
undulating coast
Vadrine
virtual potential temperature
virtual time to half-value
virtuss
visnin
wejacks
wireless adapters
Zangābād
zimmerman