lessens

例句:

• The new drug lessens the severity of pneumonia episodes.
  新药减轻了肺炎发作时的痛苦。
  
• Polluted water lessens crop yields.
  受污染的水源会降低农作物产量。
  
• Eating a good diet significantly lessens the risk of heart disease.
  良好的饮食习惯能大大减少患心脏病的机率.
  
• It lessens the culture shock when you go out there.
  来自THETIMES
• The excitement of seeing Firebird never lessens.
  来自THETIMES
• But the earlier use lessens the impact of Lincoln's joke.
  来自NEWYORKER