相关单词近義詞 filtration 過濾, separation 分離, purification 淨化, clarification 澄清, categorization 分門別類, division 劃分, infiltration 浸潤臨近詞per, Pergue相似詞perch, perchance, percipient, percolate, percolator, percussion, percussionist, percussive, 返回 percolation