(地下水的)常压面

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(397) / 评论(0) 分类 新概念优美背诵短文50篇

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(148) / 评论(0) 分类 火星生命

UNIT 9 Text A Pre-reading Activities First Listening 1. As you listen to the passage the first time, circle the words from the list that you hear. ice hate perish snow fear suffice frost despair hold

发表于:2018-12-11 / 阅读(125) / 评论(0) 分类 21世纪大学英语读写教程

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(281) / 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(117) / 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(153) / 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(124) / 评论(0) 分类 英语听力文摘 English Digest

By Lisa Schlein Geneva 31 October 2007 The World Meteorological Organization says theLa Niaweather event is under way across the central and eastern equatorial Pacific and these conditions are expected to continue through the first quarter of 2008. L

发表于:2019-01-03 / 阅读(140) / 评论(0) 分类 2007年VOA常速英语(十月)

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(219) / 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(144) / 评论(0) 分类 英语小短文

By Carol Pearson Washington 22 August 2007 High blood pressure, or hypertension, is a disease usually associated with adults, but children can get it too and can have serious health problems because of it. A new study is now calling for pediatricians

发表于:2019-01-13 / 阅读(203) / 评论(0) 分类 2007年VOA标准英语(八月)

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(117) / 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(123) / 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(106) / 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(116) / 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(209) / 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(121) / 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(133) / 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(136) / 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(256) / 评论(0) 分类 英语听力广播—Listening
学英语单词
1-hydroxy-2-acetonaph-thone
adsorption balance
AGJ
air-lifted
algebra operator
amethystine
architectural conception
avoriazs
base-court
be browned of
blunted edge
bobbysoxes
boring shell
by statute
cardinal principles
cartridge brass
clok
cloner
Clotrasone
coadjutant
commutator type frequency convertor
condensation test
construction of references
counterpart expenditure authorization
cyclically perverse
deglutiatur
double digit inflation
dysynergia
Elaeagnus difficilis
enantiomerism
end-of-the-road
Endiandra dolichocarpa
enstasis
essential variable
fentropine
fight down
filmnik
focal line
foreign exchange control
frequency restriction
Gong Tingxian
gotten around
group of classes
heart shell
helium leak test
hydrocoll
iatrogeneses
in much the same way as
indigolite (indicolite)
individual death
infrared radiation detector
jimmy-hat
Kernel-fruit
keyer
Kiambo
korea republic
lacustre
leave in abeyance
length of tray pitch spacer
Leptospira icterogenes
lilac points
loss of information
Marine base
marketing-related
master gate control block
minor duodenal papilla
model of third world development
model shop
modern media
Palma Real
pipestems
pittite
potassium ferric sulfate
preliminarty calibration curve
production milling machine
Q-angle
riboketose
rose form the ashes
Sankt Gallen, Kant.
scheme member
secondary standard
sicco
silicyl
sixth venereal disease
Slovakian
snag equipment
society man
stack emission
stout-spindle-shpaed cells
stowing dimensions
straight neck rivet
take up another's quarrel
Testoral
tetracyclic sterid nuclei
The Virgin
thea sinensis var.viridis pierre
thermal paint
three-position controller
to embed
unlabelled common memory
versatile automatic dataexchange
Vila de Sena