Bill : Scientific advances have enabled food producers to alter the genetic make-up of many common foods.
Bill : Scientific advances have enabled food producers to alter the genetic make-up of many common foods.
比尔：科学的发展使得食品生产商们能够改变很多普通食物的基因构成。
Bill : Scientific advances have enabled food producers to alter the genetic make-up of many common foods.
比尔：科学的发展使得食品生产商们能够改变很多普通食物的基因构成。