Class BG61InspectzhìHSK 4to rule; to govern治疗zhìliáoto treat (an illness)yěHSK 7–9to smelt; to cast陶冶táoyělit. to fire pots and smelt metalThe one-stroke difference:治's left radical 氵 has one extra dot compared with 冶's left radical 冫.Drill this pairWrite the difference