单词:critical humidity
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This is the VOA Special English Development Report. Before refrigerators, homes usually had ice boxes. But another way to keep food cool without the need for electricity is to use an evaporative cooler. This is easy to make and does not even use ice.
Situation Critical 十万火急 by Kevin Lustig In some jobs, danger can appear at any moment. In the blink of an eye, the routine can become perilous. This month, the National Geographic Channel shows us what happens when a normal situation becomes
The UN has just issued a report saying that six million people in Myanmar need food right now. How critical is the situation? It's a real paradox, because in the same year that Cyclone Nargis devastated the, what had been the rice bowl of Myanmar, th
Part One 句型推荐 1. Nice day, isn't it? 2. What was the weather like yesterday? Yesterday it rained all day. 3. It looks like snow. 4. How's the weather in Boston? Is it mild? 5. It's very hot an
克里斯晨在描绘他的家乡挪威的夏天 Todd: Christian can you talk about the summers in Norway. Christian: Yeah, a lot people think the summers in Norway are really cold, but actually they're not. Maybe everything, the weather is changing
Airline food has a bad rap, but it doesnt completely deserve it. When we fly at high altitude we simply cant taste as much. The main reason is the low humidity in the airplane cabin, which causes our sinuses to dry out. The humidity is kept around 4%
In Houston, Flight director Kranz is trying to make sense of the barrage of information. I am completely surrounded with reports coming in that I dont fully understand, but frankly, problems are our business, and I thought we are going to solve these
EDUCATION REPORT - Students Face New Worry: Wrongly Scored College-Entry TestsBy Nancy Steinbach Broadcast: Thursday, March 30, 2006 I'm Steve Ember with the VOA Special English Education Report. Abou
South Korean Smart Farm Built Inside Former Road Tunnel A South Korean company is operating the countrys largest indoor smart farm inside a former road tunnel. The farm produces fruits and vegetables hydroponically, which means the plants do not grow
This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Heres a novel potential public health measure against the flukick up the humidity. The cold, dry months of winter signal the start of flu season. But previous resear
How to build an evaporative cooler. Also, how to prepare fruits and vegetables for cold storage. Transcript of radio broadcast: 08 June 2008 This is the VOA Special English Development Report. Before refrigerators, homes usually had ice boxes. But a
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: Emergency hospital during 1918 influenza epidemic, Camp Funston, Kansas And I'm Faith Lapidus. This week, our subject is influenza, commonly called the flu. W
AS IT IS 2015-11-03 More of Us to Go Thirsty As Earth Dries Up Water supplies around the planet are running dry at an alarming rate. Scientists say the world is experiencing a shortage of fresh water. It will only worsen as the population grows and t
Listen to the dialogues and check the items they have talked about. 英语对话1 A:Jenny, could you read tomorrow's weather report for me? B:What's it about? A:l'd like to know the wind and weather conditions. B:Why? A:Because Tom and I are going fi
BBC Learning English 6 Minute English Cryptozoology Callum: Hello Im Callum Robertson and with me today for 6 Minute English is Jackie Dalton hello Jackie. Jackie: Hello Callum. Callum: Now in the programme today were going to be talking about myster
In the Pacific state of Hawaii, U.S. President Barack Obama on Sunday told leaders of the 21 Asia Pacific Economic Cooperation economies that the region will be key to U.S. economic recovery. With much of the formal summit activity, including a worki
Man, the first thing that hits you about this place is just the heat and the humidity. 天 到这的第一个难关就是 要克服高温湿热的天气 I could feel it just coming in close to the ground. 我在下降过程中就有湿热感了 It's
By Scott Stearns Dakar 08 October 2009 Cameroon President Paul Biya (file photo) Authorities in Cameroon have closed a private FM radio station that has been broadcasting illegally from the capital for several months. The station was highly critical