So, we're in Pasadena and we're at one of the seismic stations.
现在,我们正在帕萨迪纳的一个地震监测站。
英语百科
Seismometer
Seismometers are instruments that measure motion of the ground, including those of seismic waves generated by earthquakes, volcanic eruptions, and other seismic sources. Records of seismic waves allow seismologists to map the interior of the Earth, and locate and measure the size of these different sources.