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. 海底平頂山是平頂的火山錐，位於海平麪下3000-6000英尺，高出海底9000-15000英尺。 返回 tablemount