柯林斯词典pyramidal /pɪˈræmɪdəl/ 1. ADJ Something that is pyramidal is shaped like a pyramid. 金字塔形的[正式] ...a black pyramidal tent. ...一个黑色金字塔形帐篷。 返回 pyramidal剑桥词典mathematics, medical shaped like a pyramid 金子塔状的 medical relating to the path of groups of nerve fibres in the brain called the pyramidal tract （神经）锥体束的 返回 pyramidal