skyrocket
skyrocket
noun
noun
- a rocket designed to explode high in the air as a signal or firework
（作为信号或焰火的）冲天火箭
- [no obj.](informal)(of a price, rate, or amount) increase very steeply or rapidly
(非正式)（价格、比率或数量）急速增长，猛长
the cost of the welfare system has skyrocketed.
福利系统费用急速增长。
考试词汇表
