资料来源 : pyDict

渗出,分泌,渗出物

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Exudation \Ex`u*da"tion\, n.
   The act of exuding; sweating; a discharge of humors,
   moisture, juice, or gum, as through pores or incisions; also,
   the substance exuded.

         Resins, a class of proximate principles, existing in
         almost all plants and appearing on the external surface
         of many of them in the form of exudations. --Am. Cyc.

资料来源 : WordNet®

exudation
     n 1: a substance that oozes out from animal or plant pores [syn:
          {exudate}]
     2: the process of exuding; the slow escape of liquids from
        blood vessels through pores or breaks in the cell
        membranes [syn: {transudation}]