单词：low-pressure air stower
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THE MAKING OF A NATION - July 11, 2002: Post-War Economy / Berlin Airlift By David Jarmul VOICE 1: THE MAKING OF A NATION -- a program in Special English by the Voice of America. (Theme) The surrender
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On airplanes, cabin pressure changes during takeoff and landing to help passengers breathe easy at high altitudes. These changes in air pressure may make adults ears feel a little funny, prompting a few yawns to equalize the pressure. But for babies,
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Syrian Forces Turn to Air Power as Insurgency Gains Nearly a quarter of a million Syrians have fled their homes in recent weeks, as government bombs and mortar shells have begun targeting heavily-populated areas. Last week, amateur video on a social
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Dietary Changes Help Lower Blood Pressure Sunday, April 7, is World Health Day, and this years theme is high blood pressure, also known as hypertension. The World Health Organization has recommended reducing salt or sodium intake to lower the risk of
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It had been another hot spring day. By ten oclock in the evening, it had only cooled down to 87 degrees, according to Larry's thermometer in the living room. He rarely looked at his thermometer because he usually didn't care what the exact temperatur
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Something has been happening recently that pleases me a lot. My newly planted roses have been flowering. For some reason I didn't expect them to make such a show this year, with them being new. My entryway project has continued, and I ended up planti
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