noun ダウンロード 🔗共有 地震計 An instrument that automatically detects and records the intensity, direction and duration of earthquakes and similar events. Examples : "The seismograph at the local university recorded a small earthquake this morning. " 地元の大学の地震計は、今朝小さな地震を記録しました。 geology technology science device environment AIとチャット語彙ゲーム読解練習