Amazingly,pigs are a source of nearly 40 pharmaceutical drugs and their heart valves can be used in surgery to replace human ones.

 
  • 令人惊奇的是,猪可用来做40多种药物,而在手术中他们的心脏瓣膜可用来代替人类的。
今日热词
目录 附录 查词历史