不施化肥、不含农药残毒的食品natural food

• 这类关于天然食品的宣传日益深入人心。

  This kind of publicity about natural foods is enjoying increasing popular support.

• 尽量从天然食品中获取钙，达到通过食补增加钙摄入量

  try as much as possible to get calcium from natural foods, using diet to increase calcium intake