Stone Age people discovered that chewing seeds, leaves or bark from certain plants temporarily relieved fatigue and improved mood and alertness.

 
  • 石器时代的人民发现咀嚼种子,叶子或者特定植物的树皮能缓解疲劳,改善情绪提高警觉。
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  • 深远海浮式风电平台 - deep-sea floating wind power platform
  • 京雄高速公路 - Beijing-Xiongan expressway
  • 农业及相关产业增加值 - the added value of agriculture and related industries
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