单词：strengthening the bones and muscles
单词：strengthening the bones and muscles 相关文章
In a few years more the milk-teeth begin to go. 几年之后, 乳牙开始掉落。 Another set of teeth, called the permanent teeth, is growing, one under each of the milk-teeth, and pushing out the first set. 另一套牙齿从原来的位置上长出
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By Lawan Davis Broadcast: September 3, 2003 This is Bob Doughty with the VOA Special English Health Report. Intense physical exercise is not the only way to better health. Studies show that walking se
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Fish Use Whole Bodies When They Eat Fish are animals that live in the water. They are also vertebrates animals that have a backbone and a spine. They have gills that permit them to take oxygen from the water. But have you ever wondered how vertebrate
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HEALTH REPORT – June 19, 2002: Walking By Lawan Davis This is the VOA Special English Health Report. Researchers agree that intense physical exercise is not the only way to gain better health. Studi
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BEIJING, Jan. 25 (Xinhua) -- The central parity rate of yuan, the Chinese currency, Tuesday gained 2 points to 6.5881 against the U.S. dollar, according to the China Foreign Exchange Trading（外汇交易） System. China's central bank announced in
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18 Simple Tips to Avoid Back Pains Whether we are seated or standing up, the back has almost no rest. The postures we adopt to sit or while doing our daily activities are not very often adapted for our back. This constant 'torture' of our back result
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