单词	self-purification
释义	self-purification noun self-pu·​ri·​fi·​ca·​tion ˌself-ˌpyu̇r-ə-fə-ˈkā-shən  -ˌpyər- 1 : purification by natural process self-purification of water 2 : purification of oneself Word History First Known Use 1654, in the meaning defined at sense 2
随便看	puffers puffery puffest puffier puffiest puffily puffin puffiness puffinesses puffing puffing (up) puffing adder puffing out puffing pig puffing up puffingles puffingls puffingly puffings puffini puffins Puffinus puffinuses puffinusses puffs

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