问题描述: of wave upon 1个回答 分类:英语 2014-10-10 问题解答: 我来补答 of wave upon wave前赴后继例句:People of the world,be courageous,dare to fight,defy difficulties and advance wave upon wave.全世界人民要有勇气,敢于战斗,不怕困难,前赴后继. 展开全文阅读