seismic body wave

例句：

1. 1. The seismicbody wave caused the ground to shake violently.
   地震体波导致地面剧烈震动。
2. 2. Theseismic body wave was detected bythe seismometer.
   地震仪探测到了地震体波。
3. 3. The seismic body wavetravels at the speed of light.
   地震体波以光速传播。