ζ±
- θζ±γγ γγγγγγ to become grimy, to get dingy
- ζ±ζ°΄ γγγ sewage; wastewater
- ζ±ζ γγγ pollution, contamination
- ζ±ε γγγ disgrace; bad reputation
- ζ±γ γγγͺγ dirty
- ζ°΄θ³ͺζ±ζ γγγγ€γγγ water pollution
- 倧ζ°ζ±ζ γγγγγγ air pollution
- εε£ζ±ζ γ©γγγγγγ soil contamination, soil pollution
- ζ±γ γγγ to make dirty, to pollute
- ζ±γ γγγ dirt, stain, filth
- ζ±γγ γγγγ to become dirty; to get stained