单词：water pressure grid
单词：water pressure grid 相关文章
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.
火星生命
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
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
探索与发现2014年
For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after yea
国家地理2008年
New Technology Harvests Energy from River and Tidal Movement A number of companies have used the wind and sun to produce energy. Now, one company is using the force of flowing rivers and ocean currents. The company is based in the U.S. state of Maine
2018年VOA慢速英语(四)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
英语小短文
More government support, including subsidies and a favorable pricing mechanism, is needed for the country to use desalinated seawater to quench its thirst, a top industry expert said。 The lack of an effective pricing mechanism for desalinated water
英语笔译
Lack of electrical power is slowing efforts to bring normalcy back to southeast Texas, hit hard by Hurricane Ike last week. Private companies operating in the area have thousands of people working around the region, but many neighborhoods remain in
VOA标准英语2008年（九月）
Model Home Shows off Renewable Energy Technology in Senegal In Senegal, a model green house is showcasing renewable energy technologies as part of efforts between the Israeli and Senegalese government to improve food production and reduce dependence
VOA标准英语2011年(五月)
知名饮料公司太阳能集装箱净水屋为肯尼亚提供安全饮用水 Kajiado gets little rainfall.The Kenyan capital, Nairobi, is 125 miles away from Esther Kume's homestead.The mother of nine has to buy 10 jerry cans of water a day from lo
VOA标准英语2016年(三月)
DAVID GREENE, HOST: And let's turn now to Puerto Rico, where three-quarters of hospitals are still operating on limited emergency power. This creates dangerous conditions for critically ill patients. NPR's John Burnett spent a day with a federal disa
2017年NPR美国国家公共电台10月
While it may appear to be a completely chaotic place, 虽然它看上去好像是一个很混乱的地方， when you see it from above, there seems to be a whole grid of waterways and canals connecting each and every home. 但当你从上往下看，那
TED演讲娱乐篇
BBC news with Fiona MacDonald. A mass for peace is being taken place in the Cathedral of the Columbian city of Cartagena where a historic peace accord between the government and the Farc rebels is due to be signed in a few hours.It marks the end of a
中英双语新闻
For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after year
自然百科2008年
By Kurt Achin Seoul 05 January 2006 North Korea recently announced it no longer needs the United States to provide it with a light-water nuclear reactor for energy production. The communist state says
2006年VOA标准英语（一月）
GWEN IFILL: This week marks a year since superstorm Sandy struck. More than 70 people were killed along the Eastern Seaboard. Damage totaled more than $65 billion, and it pounded New Jersey and New York City hard. It also prompted a reexamination --
PBS访谈环境系列
The Dutch did not invent windmills, but they put them to good use, powering industrial machinery and, especially, draining low-lying fields. Have you ever seen a sunflower twist itself to face into the sun so that it can soak up light energy all day
VOA标准英语2010年(七)月
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
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
英语听力广播—Listening
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？
《海底两万里》中英双语有声读物