a measuring instrument for detecting and measuring the intensity and direction and duration of movements of the ground (as an earthquake)
造句
用作名詞(n.)
China\\\'s Zhang Heng invented the seismograph during the Han Dynasty. 中國的張衡在漢朝時發(fā)明了地動儀。
People laughed at Zhang Heng when he first introduced his seismograph, and it was only later that the world recognized his greatness. 當(dāng)初張衡發(fā)明出他的地動儀時，人們都在嘲笑他，只有后來全世界才意識到他的偉大。
Earthquakes are recorded with a seismometer, also known as a seismograph. 地震檢波器，也被稱為測振儀，可記錄地震。