A series of five waterfalls in the Tugela River, about 483 km (300 mi) long, of eastern South Africa. The falls have a total drop of 915 m (3,000 ft).是什么意思_A series of five waterfalls in the Tugela River, about 483 km (300 mi) long, of eastern South Africa. The falls have a total drop of 915 m (3,000 ft).在线翻译_英语_读音_用法_例句