冰面平衡蒸气压

By piecing together the evidence these creatures left behind, we can build a picture of this sub-tropical corner of the continent as it was 13,000 years ago. While most of North America was still in the grip of the Big Freeze, Florida was an ice age

发表于:2018-12-03 / 阅读(79) / 评论(0) 分类 探索与发现2012年

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(82) / 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(146) / 评论(0) 分类 60秒科学

Why do golf balls have dimples(酒窝, 涟漪)?So that they look cute? NO! Because the dimples maximize the distance golf balls travel. Dimpled balls travel up to four times farther than smooth-surfac

发表于:2019-01-07 / 阅读(154) / 评论(0) 分类 奥运英语

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(103) / 评论(0) 分类 Scientific American(五)月

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

Study: Warmer World Will Produce Fewer Clou 气候变暖导致云层变少 With rising global carbon emissions, the planet will heat up and cloud cover will dissipate, according to a new study. The concentration of heat-trapping carbon dioxide in the

发表于:2019-01-14 / 阅读(85) / 评论(0) 分类 VOA标准英语2014年(一月)

In contrast, Jupiter and Saturn are all atmosphere. Unlike Earth, Jupiter doesnt really have a solid surface that you could stand on and then have your head up in the atmosphere looking at the clouds. Its just a giant, giant gas ball. Only one other

发表于:2019-01-23 / 阅读(62) / 评论(0) 分类 探索与发现2014年

Our chemistry, our very nature, our metabolism is completely shaped by the atmosphere. To appreciate our atmosphere, well rise through its layers, travelling from the planets surface, miles up above mountains and the clouds, to the very edge of space

发表于:2019-01-23 / 阅读(56) / 评论(0) 分类 探索与发现2014年

In the four decades since our robots first arrived, the once fuzzy ball at the end of our telescopes has steadily focused into a red planet we can understand, and it is not a welcoming place. The problem is the atmosphere is so thin and cold that wat

发表于:2019-01-26 / 阅读(67) / 评论(0) 分类 自然百科2012年

Well then, when you dive under the waves, Ned, for every thirty-two feet of water above you, your body is tolerating the pressure of one more atmosphere, in other words, one more kilogram per each square centimeter on your body's surface. 尼德兰,好

发表于:2019-01-28 / 阅读(61) / 评论(0) 分类 《海底两万里》中英双语有声读物

Africa Kicks-up A Lot of Dust 非洲大陆的灰尘飘向美国 Bits and pieces of the African continent are falling on the United States and surrounding regions much of the year. Scientists say large amounts of African dust may be having major effec

发表于:2019-02-01 / 阅读(62) / 评论(0) 分类 VOA常速英语2013年(九月)

1. I know that every job has its own kind of pressure. 我知道每份工作都有自己的压力。 还能这样说: For me, it is job that has some kind of pressure on any person. I believe that pressure is evitable for people who have a job. 应用

发表于:2019-02-15 / 阅读(60) / 评论(0) 分类 情景会话口袋书人际篇

【英文原文】 If I were to stop drinking water right now, how long could I live? There are several different factors involved here. A human being isnt an automobile which needs a certain amount of gas. There are conditions under which a person c

发表于:2019-02-16 / 阅读(70) / 评论(0) 分类 英语听力广播—Listening

The Invisible Hand 无形的力量 A: What's going on? B: Check out the setup , Yaoyao. A: A stove, an empty aluminum soda can, kitchen tongs , and a saucepan . Are you experimenting with a new recipe ? B:No, i'm experimenting with air pressure. A:Ho

发表于:2019-02-16 / 阅读(77) / 评论(0) 分类 英语听力文摘 English Digest

As altitude increases, atmospheric pressure decreases. This is due to Earth's gravitational pull on the air molecules in the atmosphere. The closer to the Earth's surface the stronger the force exerted on these molecules. 随着高度上升,大气压

发表于:2019-02-22 / 阅读(69) / 评论(0) 分类 留美老师带你每日说英文

Dehydration 脱水 If I were to stop drinking water right now, how long could I live? There are different factors involve d here. A human being isnt an automobile which needs a certain amount of gas. There are conditions under which a person could di

发表于:2019-02-24 / 阅读(98) / 评论(0) 分类 英语听力文摘 English Digest

What we do know is that because heat from the Sun is unevenly distributed, differences in air pressure arise on the planet. Air can't abide this, so it rushes around trying to equalize things everywhere. Wind is simply the air's way of trying to keep

发表于:2019-02-25 / 阅读(66) / 评论(0) 分类 万物简史

In the days of diving suitsthe sort that were connected to the surface by long hoses, 在使用潜水衣即用长管子连接水面的那种装备的年代, divers sometimes experienced a dreaded phenomenon known as the squeeze. 潜水员有时候会

发表于:2019-02-25 / 阅读(65) / 评论(0) 分类 万物简史

Maybe. A change in barometric readings may be part of the reason: Atmospheric pressure often drops right before bad weather sets in; this shift could cause body tissue to expand, which can lead to swelling and pain. 也许吧,气压变化有可能是

发表于:2019-03-06 / 阅读(167) / 评论(0) 分类 英语听力广播—Listening
学英语单词
activities of the vessels
asplenium excisum
assessment
awe-strucks
Bagodryl
Bayesian decision tree analysis
binomial tables
bit diamond
bit dull condition(bdc)
called by
caught in the crossfire
check pattern
christianisations
Cicer microphyllum
clif
come as no surprise
compression stress relaxation
cone-spheroid
copious
croupies
cyanided case
defamatory matter
depth of friction
dog-headed
doktor
draw attention to
Earth's surface
eczemogenous
Exochorda
extra-illustrations
faradiol
fault pug
feadship
ferriteharmonic generator
fetherston
flat random noise
fluid operated pump
fragment code
Frensdorf
fritillaria affiniss
fuel supply system
genus telantheras
geomorphic system
haplology
haytham
high-pressure charing
homing accuracy
homotypic cortex
hypertonic uterine dysfunction
inconstant element
infectious rhinitis
Irgunist
jipijapas
judoists
Kloštar
lane slip
Lio-1
Lysionotus aeschynanthoides
manhua
megatomostethus maurus
metabolic rhythm
metallic bonds
metral leaflet
ministrant
negative temperature coefficient thermistor ceramics
neothrinax formosana
Nio-A-let
oxyalkylene
pack and peel
Pantotheria
parallel plane
phase-delay characteristic
Poa dshilgensis
polyheptamethylene adipinamide
pripyats
puroclastic
reoccurred
reserve operational communication officer
residual intelligibility
rifugi
rising-main
roadside
rolls court
Seewinkel
sensitizing dye
spirochetemia
spleter
staple fibre spinning
swag-belly
Tatarskaya AR
titoisms
torch-cutting machine
transition moor
tribalists
triboabsorption
Tylestheria
underwater cutting process
verification of outstandings by correspondence
view as
voltage direction
where'm
wonting