yellowstone caldera 예문

• (On television) The Mount Washburn eruption at three o'clock local time was unexpected but geologists say the Yellowstone caldera is an active seismic region and these events are common every 100 years or so.
  난 특별하지 않아. 누군가는 그렇게 생각하는 것 같은데. 그녀는 달라!