n.马头鱼尾的怪兽；海马回；海马状突起；海马体（大脑中被认为是感情和记忆中心的部分） 变形： 复数：hippocampi 英英释义： hippocampus[ ,hipə'kæmpəs ]n.a complex neural structure (shaped like a sea horse) consisting of grey matter and located on the floor of each lateral ventricle; intimately involved in motiv