1. China's Zhang Heng invented the seismograph during the Han Dynasty.
   國的張衡在漢朝時發一目了然地動儀。
2. People laughed at Zhang Heng when he first introduced his seismograph, and it was only later that the world recognized his greatness.
   曾經張衡發現出他的地動儀時，現代人在鄙視他，只要 以后全宇宙才發現到他的值得尊敬。
3. Earthquakes are recorded with a seismometer, also known as a seismograph.
   大地震來臨檢波器，也被分為測振儀，可備案大地震來臨。