n. a characteristic soundn. a toroidal shapen. the sound of a bell ringingn. a platform usually marked off by ropes in which contestants box or wrestle
n. 环, 环形物, 拳击场, 戒指, 角逐, 小集团, 铃声, 钟声, 声调vt. 包围, 套住, 按铃, 敲钟vi. 成环形, 响, 鸣, 按铃, 敲钟, 回响