spinal cord什么意思

spinal cord英 [ˈspaɪnəl kɔ:d] 美 [ˈspaɪnəl kɔrd]　　n.脊髓;　　[网络]脊柱; 髓; 脊髓脊髓梁并樱;　　[例句]That's the three layers of tissue that surround the brain and spinal cord.　　橡丛我是指包围着大脑和脊髓的蔽弊三层组织。　　[其他]复数：spinal cords