澄清（作用）；净化（作用）的英文

• defecation

• 澄清:    settle; become clear; defeca ...
• 作用:    act on; affect
• 净化:    purify; purge; defecate; cle ...
• 澄清（作用）；净化；纯化:    clarification
• 饱和澄清（作用）:    defecosaturation