symptomless ['sɪmptəmlɪs]

例句:

• They are often symptomless but may be itchy and bleed.
  来自BBC
• There are up to 50,000 symptomless carriers of the disease in the area.
  在这个地区,有多达五万名这种疾病的无症状带菌者.
  
• Usually early symptomless , when the symptom presents the eye to be blind, irreversible.
  通常早期无症状, 等到症状出现眼睛已瞎, 不可逆转.
  
• A method for detection in lily symptomless virus ( LSV ) from lily bulbs was developed.
  建立从百合种球幼芽中直接检测百合无症病毒 ( LSV ) 的体系.
  
• Screening is offered to women in order to try to pick up cervical cancer at this early, symptomless stage.
  来自BBC
• We must prioritise diagnosing them, especially as HIV can be symptomless for many years.
  来自BBC