轮换

to rotate / to take turns / to switch

to rotate; to take turns

wheel / disk / ring / steamship / to take turns / to rotate / by turn / classifier for big round objects: disk, or recurring events: round, turn

wheel; disk; ring / steamship / to take turns; to rotate / classifier for big round objects: disk, or recurring events: round, turn

to exchange / to change (clothes etc) / to substitute / to switch / to convert (currency)