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  1. ultrafiltration

    • IPA[ˌʌltrəfɪlˈtreɪʃ(ə)n]

    英式

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

    • 更多解釋
    • IPA[ˌəltrəfilˈtrāSH(ə)n]

    美式

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

    Oxford American Dictionary