a rampant epidemic的用法和样例：
- A rampant growth of weeds in the neglected yard.
- Wild boar, bear rampant epidemic, farmers have no choice but to field as their home, guarded day and night, and wild boar, bearhu kou duo shi .
- The bloodshed of Sichuanese submerges in a rampant earthquake.
- A flu epidemic raged through the school for weeks.