压凝结水

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(141) / 评论(0) 分类 火星生命

Low-Lying Areas of New York City Suffer Flooding Sounds of sump pumps fill the air in low-lying areas of New York City. Don, a water systems professional in Brooklyn, has been on the job, pumping out basements since before dawn. He says the worst flo

发表于:2018-12-08 / 阅读(124) / 评论(0) 分类 VOA标准英语2012年(十月)

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(270) / 评论(0) 分类 新东方背诵文选

BARBARA KLEIN: This is SCIENCE IN THE NEWS, in VOA Special English. Im Barbara Klein. BOB DOUGHTY: And Im Bob Doughty. Today we remember Hurricane Katrina and tell about the science of severe ocean storms. (MUSIC) BARBARA KLEIN: Many Americans are ob

发表于:2018-12-15 / 阅读(111) / 评论(0) 分类 2010年VOA慢速英语(八)月

ARI SHAPIRO, HOST: For decades, the Colorado River has fed growing cities from Denver to Los Angeles, and a lot of the produce in grocery stores across the country right now was grown with Colorado River water. Now with climate change and severe drou

发表于:2018-12-17 / 阅读(137) / 评论(0) 分类 2017年NPR美国国家公共电台1月

Chinese authorities are suggesting the environmental impact from the sinking of an Iranian oil tanker off China's east coast this week is likely to be minimal, despite the massive blaze which engulfed the Sanchi for over a week before it went down. T

发表于:2018-12-24 / 阅读(175) / 评论(0) 分类 2018CRI中国国际广播电台

旱灾的成因与影响 Its signs are subtle and slow: the earth dries; water levels fall; the rains do not come; and the land is gripped by drought. At its most basic, a drought occurs when more water is used than isreplenished. It is a balance bet

发表于:2018-12-26 / 阅读(147) / 评论(0) 分类 自然百科2016年

The air thins and they begin to lose the protective weight of the miles of air above them. The pressure is dropping, when you finally get to the stratosphere, and to the altitude we like to work at, it's only one one hundredth that of it's on the gro

发表于:2018-12-27 / 阅读(132) / 评论(0) 分类 探索与发现2014年

As the migrating herds arrive in the plateaus river valleys, the spring is here. This is why they have made the journey after the famine of winter. Food is everywhere. Birds have flown in from as far away as the Arctic and subtropics. Canada geese jo

发表于:2019-01-05 / 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:2019-01-08 / 阅读(135) / 评论(0) 分类 英语小短文

By Cathy Majtenyi Nairobi 19 May 2008 Fuel efficient stoves and ceramic water purifiers are two examples of low-tech innovations that can help people in poor countries improve their quality of life. Because what is known as appropriate technology usu

发表于:2019-01-10 / 阅读(160) / 评论(0) 分类 VOA标准英语2008年(五月)

AILSA CHANG, HOST: Scientists announced today that they have figured out the cause of an outbreak of Legionnaires' disease in Flint, Mich., a few years ago. Twelve people died. This was at the start of the city's water crisis. And the problem was a l

发表于:2019-01-16 / 阅读(160) / 评论(0) 分类 2018年NPR美国国家公共电台2月

The living is easy. But it won't last long. At this altitude, the air is so dry that rain evaporates before it even hits the ground. The water that flows off the plateau is no longer being replaced. Already there is drought in forests beyond the mead

发表于:2019-01-22 / 阅读(142) / 评论(0) 分类 自然百科2012年

Kelly Moore and her friends went to the beach. Kelly did not know how to swim. All her friends were having fun in the water. Come in! they kept shouting. Stop being a chicken! she heard them say. Kelly hated being teased. She finally decided to jump

发表于:2019-01-24 / 阅读(137) / 评论(0) 分类 英语第4级听力-English Level 4

There would soon be an explosion; the kettle would be burst open. It is in this way that boiler explosions are often caused. When there is too much steam in a boiler, and it cannot get out, it presses against the sides of the boiler, until at last th

发表于:2019-02-07 / 阅读(191) / 评论(0) 分类 英国学生科学读本

【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(120) / 评论(0) 分类 英语听力广播—Listening

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(114) / 评论(0) 分类 双语有声阅读

In 1993, water aerobics was only for senior citizens or patients in rehab. Nowadays, it encompasses a variety of trendy underwater sports, all of which are healthy. The body has 90 percent support when under water. That means the joints only have to

发表于:2019-02-23 / 阅读(136) / 评论(0) 分类 英语时差8,16

These algae are a genuine prodigy of creation, one of the wonders of world flora. 这些海藻类实在是造化的奇迹,宇宙植物界的一个奇迹。 This family produces both the biggest and smallest vegetables in the world. 地球上最小和

发表于:2019-02-25 / 阅读(139) / 评论(0) 分类 《海底两万里》中英双语有声读物

These are the normal navigational instruments, I replied, and I'm familiar with their uses. 这些是航海家常用的仪器,我答,我知道它们的用法。我现在看见的这个表盘,上面有能转动的针,那不是流体压力计吗?

发表于:2019-02-25 / 阅读(204) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
3H-colchicine
ABCS (automatic broadcasting control system)
Acranthera
ague grass
aigialosaurs
air force cryptographic code system
aldol
alkalinealkalic
apotemnophilia
apozems
Area A Certificate of Competency
b.c
babyolatry
berlings
biostation
bitterbark
boom and bust
cage and rolling element assembly
callosectomies
chemical-
chimerically
clad fuel elements
cold creams
contemporane
councils of basel-ferrara-florence
cover against
crank beating
creolise
Della Robbia,Luca
dibromocresyl glycidyl ether
djibouti (jibuti)
drug latenciation
effect of lessened imports on economic activity
escape observation
Esmoriz
f.i.s.c.s
facial washing milk
FCA
final assembly schedule(fas)
fish-hooks
Fries' rearrangement
gap penalty
guyton
Heart of steel
horse-powered
idols of the market
isorrhopic
jezekite
judg(e)ment summons
late complication
limited choice
lipstick-red
Liturgical Movement
longnecked
magnesiohastingsite
mantel-board
megacrania tsudai shiraki
millimeter mercury column
monodromy theorem
Nassenheide
negative peak
number service
nut clams
opium-poppy
picquerer
placatings
pooley
popularising
pressure-sensitive semiconductor microphone
pro indiviso
proctoplasties
rapalloes
red and black citrus leaf-miner
reparameterize
repitches
salt table
semisynthetic perfume
service request bit
shimming
single-bus configuration
Skilar
skyhook ballon
solitudinous
stylosum
suction press roll
sufferance wharf
sunde
superbinary
superior peroneal retinaculum
synchronized skating
tapping unit
third cuneiform bone
time correlation
torpe
tungsten carbonyl
uncock
vel.
victim-centered
vitamin E acid succinate
vocalized
vRouter
Wangensteen apparatus