柯林斯詞典seismograph /?sa?zm??ɡrɑ?f/ (seismographs) 1. N-COUNT A seismograph is an instrument for recording and measuring the strength of earthquakes. 地震儀 返回 seismograph劍橋詞典a piece of equipment that measures and records the strength of an earthquake 地震儀 返回 seismograph