noun ダウンロード 🔗共有 動悸 An abnormal beating of the heart that may be perceived by the patient, a result of excitement, exertion, or illness. Examples : "After running up the stairs, she felt a strange palpitation in her chest. " 階段を駆け上がった後、彼女は胸に奇妙な動悸を感じた。 medicine physiology sensation body organ disease AIとチャット語彙ゲーム読解練習