柯林斯词典medulla /mɪˈdʌlə/ 1. N the innermost part of an organ or structure 髓质2. N medulla oblongata的缩写→short for medulla oblongata 返回 medulla剑桥词典the inner part of a body part or organ (身体部分或器官)髓质,最内部分 返回 medulla