v.  (使)〔战斗、暴力事件或不好的情况〕升级；(使)恶化

v.  (使)升高；(使)增加

• escalation  n. 增加；扩大；逐步上升

• escalator  n. 自动扶梯

• We do not want to escalate the war. 我们不想让战争升级。

• Her fear was escalating into panic. 她越来越害怕，最后变得惊慌失措。

• The costs were escalating alarmingly. 成本在以惊人的速度增长。

• Facing water shortages and escalating fertilizer costs, farmers in developing countries are using raw sewage (下水道污水) to irrigate and fertilize nearly 49 million acres of cropland, according to a new report – and it may not be a bad thing. 成本不断增加

• Now, Africa's largest economy is facing a food crisis as major tomato fields have been destroyed by an insect, leading to a nationwide shortage and escalating prices. 不断上涨的价格

BrE /əˌbriːviˈeɪʃn/