moistening
 潤溼
 Mois·ten v. t. [imp. & p. p. Moistened p. pr. & vb. n. Moistening.]
 1. To make damp; to wet in a small degree.
    A pipe a little moistened on the inside.   --Bacon.
 2. To soften by making moist; to make tender.
    It moistened not his executioner's heart with any pity.   --Fuller.
 ◄ ►
 moistening
      n : the act of making something slightly wet [syn: dampening]