ertificial breakdown

英 美
  • 人为故障
  • breakdown n.崩溃;故障;衰弱;分类,明细;跺脚曳步舞
    1. It contains the sugar lactose, which requires the enzyme lactase for breakdown in the intestinal tract.
      它包含糖乳糖,为故障在小肠短文要求酵素乳糖酶。