单词：high concentration gas alarm
单词：high concentration gas alarm 相关文章
This is Whats Trending Today. Earthquakes are not uncommon in southern California. Citizens there know how to react and respond if the ground starts shaking. On Wednesday night, many of them received an email from the U.S. Geological Survey that warn
2017年VOA慢速英语(六)月
This is Whats Trending Today. Earthquakes are not uncommon in southern California. Citizens there know how to react and respond if the ground starts shaking. On Wednesday night, many of them received an email from the U.S. Geological Survey that warn
2017年VOA慢速英语(六)月
air conditioner 空调机 air raid 空龚 alarm clock 闹钟 arms race 军备竞赛 assembly line 装配线 baby-sitter 看孩子的人 bank account 银行帐户 birth control 节制生育 blood donor 献血者 blood pressure 血压 book case 书柜
英文语法词汇
biology class This happened in a university biology class. The professor was explaining that sperm has a high concentration of dextrose. One freshman girl who looked puzzled asked, Then why doesn't it taste sweet? Notes: 1. This happened in a univers
英语笑话（MP3+文本）
Some methods of preserving food are easy to understand. 一些保存食物的方法很容易理解。 For example, it's easy to see that freezing your food, or packing it in salt, would make it inhospitable to the microbes which would otherwise cause
初学者听力文摘精选
Pre-Listening Vocabulary spoil: to go rotten high concentration: a large amount of one substance inside another thrive: to do or live well crystallize: to change form and become solid crystals nourish: to provide materials needed for growth and healt
趣谈英语
Psychologically defined, concentration is the process of centering one's attention over a period of time. In practical application, however, concentration is not as simple to deal successfully with as the definition may imply. For this reason, it is
双语有声阅读
A little old lady goes to the doctor ... and says,
英文笑话
Broadcast: Feb 13, 2003 Demand for electricity is growing in Mexico, but the state-owned oil company, known as Pemex, is reducing the amount of natural gas it can provide for electrical generation. Th
VOA2003（上）-国际时讯
By Jim Malone Washington 26 April 2006 The rising cost of gasoline in the United States is the latest in a series of political problems facing President Bush and Republicans in Congress as they look a
2006年VOA标准英语（四月）
By Lisa Bryant Paris 27 May 2008 The French government has called for the European Union to suspend certain gas taxes and for OPEC to increase production as part of a series of measures to ease the high cost of oil - which has topped $130 a barrel. L
VOA标准英语2008年（五月）
By Deborah Block Washington 13 May 2008 As the price of gasoline continues to rise in the U.S., more Americans are buying smaller, more fuel-efficient vehicles. Others are holding on to their big cars, in hopes that gas prices will eventually go down
VOA标准英语2008年（五月）
Madagascar's highest court has backed the military's move to replace President Marc Ravalomanana with his rival, opposition leader Andry Rajoelina. But some African leaders are questioning whether the move is constitutional. Andry Rajoelina greets t
VOA标准英语2009年(三月)
Do you have gas? Beginners. What kind of a question is that? Are you talking about my body or my car? Well, actually, I am talking about your car. Gas, or petrol, as it is called in England, is a big subject at the moment. Driving a car has become re
英语博客 A cup of English
By Robert Berger Jerusalem 02 April 2008 Israel is strengthening security on its home front in a sign of war jitters. As Robert Berger reports from VOA's Jerusalem bureau, Israel is casting a wary eye toward Iran. Israel's security Cabinet has decide
VOA常速英语2008年（四月）
Train Your Mental Alarm Clock in Four Simple Steps Is there any sound more wretched than that of an alarm clock in the morning? Although Im not a violent person, I often have detailed revenge fantasies involving hurling my clock across the room and w
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3 surefire ways to waste gas I have been reading an awful lot of stories regarding two wheeled motorcycles or scooters as a better way to deal with the high gas prices. I total disagree after all its only money right? Here are 3 simples steps that yo
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You're lay here with me you're shutting down I smell her on ya I'm focused now I know what's going on in your head yeah I know what's happened here in our bed yeah Your phone is buzzing so pick it up I know she calling so what the f**k I should've kn
音乐咖啡厅
air conditioner 空调机 air raid 空龚 alarm clock 闹钟 arms race 军备竞赛 assembly line 装配线 baby-sitter 看孩子的人 bank account 银行帐户 birth control 节制生育 blood donor 献血者 blood pressure 血压 book case 书柜
雅思英语
Some methods of preserving food are easy to understand. For example, it's easy to see that freezing your food, or packing it in salt, would make it inhospitable to the microbes which would otherwise cause it to spoil. You might wonder, however, about
英语听力文摘 English Digest