Countries with lots of sunshine, which triggers vitamin D production in the body, for example, have a lower incidence of type 1 diabetes than relatively sunless places.

 
  • 阳光能引起体内维生素D的产生,那些多阳光照射的地方比阳光照射不到的地方发生1型糖尿病的少。
今日热词
目录 附录 查词历史