escalation

例句：

1. 3. 例句：1. The company's stock price has been escalating steadily since the announcement.
   自宣布以来，该公司的股票价格一直在稳步上升。
2. 2. The conflict has escalated to a point where negotiations are no longer feasible.
   冲突已经升级到了一个无法通过谈判解决的地步。
3. 3. The situation has escalated to the point where we need to take immediate action.
   情况已经升级到我们需要立即采取行动的地步。