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. ...一個黑色金字塔形帳篷。 返回 pyramidal剑桥词典mathematics, medical shaped like a pyramid 金子塔狀的 medical relating to the path of groups of nerve fibres in the brain called the pyramidal tract （神經）錐躰束的 返回 pyramidal