moister

例句:

• The soil should be kept moister moist but so it does not get too wet.
  种菊花的土壤应该保持潮湿,但应该合理浇水,不能太湿.
  
• Longer grass also helps hold in moister and protects the roots.
  来自SA
• They could do with being a bit moister in the centre, though.
  来自THETIMES
• Byrd said that the moister air makes containing the fires easier because trees and bushes become less flammable.
  来自MSN