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1. Oxford Dictionary

   ultrafiltration

   • IPA[ˌʌltrəfɪlˈtreɪʃ(ə)n]

   英式

   • n.
     filtration using a medium fine enough to retain colloidal particles, viruses, or large molecules.

   • noun: ultrafiltration

2. • 更多解釋

   ultrafiltration

   • IPA[ˌəltrəfilˈtrāSH(ə)n]

   美式

   • n.
     filtration using a medium fine enough to retain colloidal particles, viruses, or large molecules.

   Oxford American Dictionary