But opponents of genetically modified foods worry that splicing foreign genes (often from bacteria) into food plants through recombinant-DNA technology could lead to even nastier health surprises.

• 但是反对基因改造食物的人担心，利用DNA重组技术将外源基因（通常取自细菌）剪接到食用作物里，可能导致更严重的健康问题；