地震计

例句：

1. 1. The seismometer was used tomonitor the earthquake activity in the area.
   地震仪被用来监测该地区的地震活动。
2. 2.The seismograph recorded the tremors felt by the residents during theearthquake.
   地震仪记录了居民在地震期间感受到的震动。
3. 3. The seismometeris a crucial tool for predicting earthquakes.
   地震仪是预测地震的关键工具。