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Canning Food

By Gary Garriott Broadcast: September 1, 2003 This is Sarah Long with the VOA Special English Development Report. People have always had to find ways to keep food safe to eat. Methods to dry, smoke an

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VOA2003（下）-发展与科学

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Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is abo

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新东方背诵文选

DEVELOPMENT REPORT – Canning Food

DEVELOPMENT REPORT – Canning Food By Gary Garriott Broadcast: Monday, January 03, 2005 I'm Gwen Outen with the VOA Special English Development Report. People have always had to find ways to keep foo

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Around the world, cesarean births are on the rise, and many experts think that's a bad thing. Now, a new study looks at one way that babies delivered by c-section are different. The number of surgical deliveries has been increasing for years. Some ce

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aquatic biosystematics

archenteric cavity

armature spring fastener

carotid body aortic body

Cedar River