1. The revolutionary upsurge reached its climax in bitter street fighting. 革命的浪潮在剧烈的巷战中达到了顶峰。
2. In the upsurge of western development, adult education play the role of unreplacement with its unique value. 在西部大开发的热潮中，成人教育以其独特的价值发挥著不可替代的作用。
3. Some 70 per cent of teachers noticed an upsurge in the number of pupils blaming technology for not doing homework. 大概70（百分号）的教师注意到学生们越来越喜欢用技术故障作为迟交作业的理由。
英英解释
n.
1. a sudden forceful flow
2. a sudden or abrupt strong increase
