31 strokes in total
- Hiragana:
- かっせいおでい
- Alphabet:
- kasseiodei
- How to write 活性汚泥
- 活: live, exist, survive; lively
- 性: nature, character, sex
- 汚: filthy, dirty, impure, polluted
- 泥: mud, mire; earth, clay; plaster
Short stories about words
© Japanese Kanji Names Dictionary, How to Read and Pronounce