等压面

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(360) / 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(130) / 评论(0) 分类 火星生命

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(255) / 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(103) / 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(135) / 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(95) / 评论(0) 分类 英语听力文摘 English Digest

地道美语听力播客English as a Second Language Podcast (ESLPod),是一家位于美国加州洛杉矶的英语教育研究机构推出的英文听力会话,于2005年7月23日首播, 主播Dr. Jeff McQuillan为南加州大学的语言学博士

发表于:2019-01-01 / 阅读(141) / 评论(0) 分类 地道美语播客

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(200) / 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(118) / 评论(0) 分类 英语小短文

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(100) / 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(100) / 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(92) / 评论(0) 分类 《海底两万里》中英双语有声读物

Climate change negotiators from 173 countries have agreed on an agenda after days of bickering over the scope of talks left little time for substantive discussions. The disagreement highlighted deep divisions between developing and rich countries on

发表于:2019-01-30 / 阅读(150) / 评论(0) 分类 英语新闻

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(96) / 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(183) / 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(103) / 评论(0) 分类 双语有声阅读

LOS ANGELES, June 18 (Xinhua) -- Microsoft Corp. unveiled Monday a family of tablets dubbed Surface, built on Windows 8, at an event in Los Angeles. Microsoft Chief Executive Steve Ballmer introduced the company's Surface family of tablets. The devic

发表于:2019-02-17 / 阅读(141) / 评论(0) 分类 英语新闻

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(112) / 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(103) / 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(233) / 评论(0) 分类 英语听力广播—Listening
学英语单词
absolutely integrable
Ada Lovelace
advertisings
Amygdalus amygdalus var. smara
angiotomy
anti-static brush
assisted take-off (ato)
back-scatter soil density gauge
bakey
benzerythrene
biotecs
brutelike
Camellia polypetala
Cannon's ring
CAVD-TEST
chloroform water
Cloquet's hernia
convergence indicator
cossist
culture vessel
cuneuss
current account of balance of payments
curvature elasticity theory
cut-in pressure
deergrasses
Deutzia crenata
Dirac wave function
donaxine
Draba nemorosa
drahen
drosophila melanogasters
Eastabuchie
ethoxybenzidine
Evercrack
exclusionary rules
feed lines
fine graded
fleetcard
general purpose container
glenna
hearing distance
heebeegeebees
heily
hemoes
horse-ride
huge project
iniforis progress
inorganic pollutant
isonitrosocamphor
joint partnership
jolt piston
Khyzistan, Khuzestan
Lantian Man
leagrave
Lenegre disease
London clay
long range mts. (long range)
Lubenka
manual level control
martuss
mask plate
megamovies
Methyl-CCNU
mima-herellea infection
Mortgage Index
mud hole
neurokeratin network
NFW
parallel bond
parts data processing system
passenger aeroplane
PHSP
pilot machining cell
pneumatic remote control system
poha
reciprocating plate and worm type distributor
rereferring
retched
sanguineous cyst
seedset
self confidence training
shared responsibility
sheep-track
sheet mode
sheygetses
similiars
snapping turtles
soiling solution
spiral heat exchanger
Spruance
stelite
sterndrive
strict anaerobes
subplantar
teeth bicuspid
thermoplastic recording
trade union contributions
trickless
unipolarity
user message table
vacuum pipeline conveyer
vsm