forced vibrations

例句：

1. 1.The building was forced to shut down dueto the earthquake.
   由于地震，大楼被迫关闭。
2. 2. The car's engine is forced torun at full throttle.
   汽车的引擎被迫全速运转。
3. 3. Theteam had to force theirway through the crowd to reachthe stage.
   团队不得不强行穿过人群到达舞台。