单词:photozincograph
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Hi! my name's Theodore and I'd like to talk to you a little about photography. When I first started studying photography I bought myself a fairly good film camera but since then digital cameras have been getting better and cheaper and recently I boug
EXPLORATIONS - How Two Programs Altered Music and Photography BARBARA KLEIN: Im Barbara Klein. STEVE EMBER: And Im Steve Ember with EXPLORATIONS, in VOA Special English. Today we talk about two hugely influential computer software tools. Auto-Tune is
It started with a simple experiment: take some graphite - the black stuff in the middle of a pencil - and put a piece of tape over it. When the scientists at the University of Manchester did that, they found that they could develop a material that co
Hi! my name's Theodore and I'd like to talk to you a little about photography. When I first started studying photography I bought myself a fairly good film camera but since then digital cameras have been getting better and cheaper and recently I boug
SCIENCE IN THE NEWS - From A to Zinc: The Story of Vitamins By Nancy Steinbach Broadcast: Tuesday, March 29, 2005 (MUSIC) VOICE ONE: I'm Bob Doughty with Phoebe Zimmermann, and this is the VOA Special
Zinc supplements reduce the average cold by about a day and also make symptoms(症状) less severe, according to the latest findings. There's no cure for the common cold, but there's no shortage of ways to treat the symptoms. For a number of year