柯林斯词典malleolus /məˈliːələs/ 1. N either of two rounded bony projections of the tibia and fibula on the sides of each ankle joint 踝 返回 malleolus剑桥词典one of either of the inner or outer bones of the ankle 脚踝 a malleolar fracture 踝骨骨折 返回 malleolus