常见例句noun [ C ]Tablemounts are flat-topped volcanic cones that lie 3,000–6,000 feet below sea level and rise 9,000–15,000 feet above the ocean floor. 海底平顶山是平顶的火山锥，位于海平面下3000-6000英尺，高出海底9000-15000英尺。 返回 tablemount