noun 下载 🔗分享 胸骨,胸脯。 The central narrow bone in the front of the chest, connecting the collarbone and the top ribs. Examples : "The doctor pressed gently on my breastbone to check for tenderness after my fall. " 医生在我摔倒后轻轻按压我的胸骨,检查是否有压痛。 body organ anatomy 与AI对话词汇游戏阅读练习