Radical 氵
7 strokes
water 氵 (78a) + air 气 (411) = steam 汽
汽车 (83) qìchē car, automobile

(A crime scene in a bathroom) “Water in the air becomes steam— so if we run the hot tap to warm the room again, we will see if the victim wrote a message on the bathroom mirror,” the junior detective said. / “I’m the chief, I’ll give the orders,” said the dwarf police chief in charge.