noun 下载 🔗分享 血肿, 瘀伤. 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. " 男孩从自行车上摔下来后,膝盖上出现了又大又疼的血肿,也就是瘀伤。 medicine body anatomy physiology condition disease 与AI对话词汇游戏阅读练习