noun 下载 🔗分享 脑膜 (chiefly plural) The three membranes that envelop the brain and spinal cord. Examples : "Meningitis is an infection that inflames the meninges, the membranes surrounding the brain and spinal cord. " 脑膜炎是一种感染,它会使脑膜发炎,脑膜是指包裹大脑和脊髓的薄膜。 anatomy medicine body organ biology 与AI对话词汇游戏阅读练习