单词：brammer
单词：brammer 相关文章
3-D Printed Model Heart Guides Surgeons, Saves Lives 3D心脏打印模型帮助医生并拯救生命 Researchers are now using three-dimensional, or 3D printing to create models of the human heart to help heart specialists. The heart doctors can use
2015年VOA慢速英语(一)月
This monument to Islamic heritage is getting a new lease on life. The Bou Inania Medersa or Koranic school was once an architectural jewel of the medieval city of Fes. But centuries of neglect have taken a toll. Restorers are cleaning layers of white
国家地理2007年
It is early evening and soon this amphitheater will be standing room only for the evening show. Bats, hundreds of thousands of Mexican Free-tailed bats, are hungry tornado that swirls out of New Mexico's Carlsbad Caverns each night in search of food.
国家地理2007年
An astronomer used to walk out every night to gaze upon the stars．It happened one night that，as he was wandering in the outskirts of the city，with his whole thoughts rapt up in the skies，he fell into a well．On his holloaing and calling out，
趣味英语
对于大多数衣食无忧的中国人来说，空气污染可能是目前生活中面临的最大问题。在北京这样的城市，尤其是冬季的时候，PM2.5指数经常爆表，这座原本让许多人热爱的城市顷刻之间换上狰狞的
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