sap·o·na·ceous /ˌsæpəˈneʃəs/
  (a.)肥皂似的,肥皂質的,口齒伶俐的,圓滑的
  sap·o·na·ceous /ˌsæpəˈneʃəs/ 形容詞
  似肥皂的,肥皂性的
  Sap·o·na·ceous a.  Resembling soap; having the qualities of soap; soapy.
  Note: ☞ Saponaceous bodies are compounds of an acid and a base, and are in reality a kind of salt.
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  saponaceous
       adj : having the qualities of soap (and liable to slip away) [syn:
              soapy]