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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(296) / 评论(0) 分类 新概念优美背诵短文50篇

The winter solstice events at Maeshowe demonstrate 梅萧韦古墓葬的冬至事件 an intimate and precise knowledge of 展现了古人 the sun's movements through the sky. 对太阳运行轨迹的精确了解 It was the first step on ourjourney to

发表于:2018-12-07 / 阅读(55) / 评论(0) 分类 2006年慢速英语(五)月

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(65) / 评论(0) 分类 火星生命

Countdown to the Olympics,the Beijing Zoo introduces eight Olympic pandas that will be on display through this summer's games.Visitors waited in long lines to buy tickets to the renovated panda hall at the zoo where the animals will be held in a newl

发表于:2018-12-11 / 阅读(93) / 评论(0) 分类 万花筒2008年

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(199) / 评论(0) 分类 新东方背诵文选

When you spill a liquid on the ground, it splashes. But if youre a guy using a urinal, or, more important, if the liquid is dangerous, say, an infected blood sample, you want to limit splashing. In other words: If an accident happens, you want the dr

发表于:2018-12-24 / 阅读(56) / 评论(0) 分类 2016年Scientific American(十二)月

Under Pressure压力之下 In physics, pressure depends on the amount of force acting on a surface and on the size of the surface. The smaller the surface, the greater the pressure. Lets say that a woman steps on your toe; she weighs 120 pounds. If s

发表于:2018-12-28 / 阅读(90) / 评论(0) 分类 初学者听力文摘精选

High Inflation Fairs, carnivals, festivals or anywhere you can buy helium-filled balloons, youre sure to see at least one balloon rising into the sky after someone accidentally lets it go off. What happens to the balloon after it rises out of sight?

发表于:2018-12-31 / 阅读(50) / 评论(0) 分类 英语听力文摘 English Digest

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(136) / 评论(0) 分类 奥运英语

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(65) / 评论(0) 分类 英语小短文

The only constant is change The only constant is change, go The human heart is born without legs Sliding back and forth And never once does it truly rest Unless accompanied by death Sliding back and forth Even the strongest Remnants of history They h

发表于:2019-01-10 / 阅读(109) / 评论(0) 分类 英文摇滚歌曲

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(48) / 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(45) / 评论(0) 分类 探索与发现2014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(47) / 评论(0) 分类 《海底两万里》中英双语有声读物

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(47) / 评论(0) 分类 情景会话口袋书人际篇

Congratulations, you've arrived on the hottest surface in the solar system. Here, the official temperature is eight hundred seventy degrees Fahrenheit. Day or night, equator or pole, the searing heat never varies more than a few degrees, and thats wh

发表于:2019-02-15 / 阅读(127) / 评论(0) 分类 自然百科2012年

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(53) / 评论(0) 分类 双语有声阅读

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(55) / 评论(0) 分类 留美老师带你每日说英文

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(52) / 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(142) / 评论(0) 分类 英语听力广播—Listening
学英语单词
5-Episisomicin
abietes
acarine disease
acoelomate organism
active singing point
agarwala
amar'e
arbitrary ballistics
arthro-endoscopy
Basis cartilaginis arytenoideae
bauder
bitternut(hickory)
blue stem
breathing places
cargo-handling and stowage
Celebes Sea
chronostratigraphic zone
colour microfilm
constructivism
copying robot
Corydalis degensis
cracked lubricating oil
desinicization
desmanthus virgatus
dragatta
ease over
eddy error
emulsion block
end parameter
evodine
exo-isomer
farooq
flash radiograph
flaw location
foreign patent
Forex Club
formylated
free berth
ghettorize
go into effect from
gorgings
haemorrhaged
Hoanh Son
hydrocalycosis
hyrd
Isarog, Mt.
jaloes
jokisch
Knapp's test
ku kluxers
La Leona
light-sources
loungerooms
luggage compartment
lysogenised
mandamused
master container
mediosilicic rocks
metabotrophic
Mibu I.
Moholy-Nagy, Laszlo
multifont optical reader
natural cellulose
neotypes
no spring chicken
non-metastatic
ovigerous cord
oxycodone
parcook
Pearlweed
pepstatin
persistent phosphor
Pheldopteris
porcelain shell for circuit breaker
post-LOCA refill
profit variance
program specification
proliferated
radiotellurium
raffe
random prior probability
reconciliation
regulating current device
rose-ringed parakeet
self-elevating barge
self-support
shell strength
so much as
steatitis
streptococcal food poisoning
such-and-such-a-thing
taint with
toiler
traffic psychology
trembley
universal thread grinder
urgent cable
very hot starting
within the veil
wyks
xenon equilibrium concentration
yarns