轮换 Traditional form: 輪換 Pinyin (reading): lúnhuàn Definitions: to rotate; to take turns Characters: 轮 - wheel; to turn, to revolve; to recur 换 - to change; to exchange, to swap, to trade Traditional characters: 輪 - wheel; to turn, to revolve; to recur 換 - to change; to exchange, to swap, to trade