noun ダウンロード 🔗共有 血腫、内出血 A swelling of blood, usually clotted, which forms as a result of broken blood vessels. Examples : "After falling off his bike, the boy developed large, painful hematomas on his knees. " 自転車から落ちた後、少年は膝に大きく痛々しい血腫ができました。 medicine body anatomy physiology condition disease AIとチャット語彙ゲーム読解練習