comestible [kəˈmɛstəbəl]

例句:

• Preventing a terrorist or a disgruntled employee from contaminating milk, juice, produce, meat or any type of comestible is a daunting problem.
  防止恐怖份子或怀恨在心的员工污染牛奶、果汁、农产品、肉类或各种食品，是个相当繁复且庞杂的工作。