杀灭致病微生物to sterilize

• 消毒牛奶

  pasteurized milk

• 薰舱消毒

  hold fumigation

• 把水消毒

  sterilize the water

• 把病人的衣服消毒

  disinfect the patient's clothes

• 消过毒的绷带

  sterile bandage

• 用甲醛水把谷种消毒

  use formaldehyde to sterilize grain

肃清坏影响to get rid of a bad influence