noun ダウンロード 🔗共有 セイシュ A short-term standing wave oscillation of the water level in a lake, characteristic of its geometry Examples : "After the earthquake, the seiches in the lake caused the water level to rise and fall noticeably on the shore for several hours. " 地震後、湖のセイシュによって、数時間の間、湖岸の水位が顕著に上下しました。 geology geography ocean nature physics phenomena environment science weather AIとチャット語彙ゲーム読解練習