riot

n.骚乱，暴动 vi.闹事，骚乱

rind, ring, ring binder, ring mains, ring off, ring out, ring road, ring up, ring-finger, ring-pull, ring-shaped, ringer, ringleader, ringlet, ringmaster, ringside, ringworm, rink, rinse, Rio de Janneiro, riot police, riot shield, riotous, riotously, riotousness, rip, rip-cord, rip-off, rip-roaring, rip-saw, rip-tide, riparian, ripe, ripen, ripeness, riposte, ripple, rise, rise superior to, riser,