sudden upsurge 突然激增
upsurge in demand 需求激增
upsurge of emotion 情感迸发
1. Demand for electric vehicles has upsurged recently.
最近对电动汽车的需求激增。
2. A wave of anger upsurged among the protesters.
抗议者中爆发出一阵愤怒的情绪。
A: Why did the stock prices upsurge so suddenly?
A：为什么股价突然暴涨？
B: It was caused by the new policy announcement.
B：这是由新政策的公布引起的。
1) 数量或程度的猛增
2) 情绪或势力的爆发
3) 水流的涌动
1. 激增；猛增
e.g. Interest in the project upsurged after the presentation.
演示结束后，人们对该项目的兴趣激增。
verb
1. To rise or increase suddenly and rapidly.
Synonym: surge, spike, soar