【化】 purification pool
refine; purge; purify; decontaminate; catharsis; clarification; cleanse
purgation; spiritualization
【计】 clean-up
【化】 decontamination
【医】 cleaning; depuration; purification
billabong; lake; pool; sump
【化】 cell
【医】 cistern; cisterna; cisternae; pool; tank