剑桥词典relating to the cricoid and the thyroid cartilages (= two of the nine cartilages in the larynx , the voice organ in the throat ) 环状软骨的；甲状软骨的 the cricothyroid ligament 环甲韧带 the cricothyroid muscle 环甲肌，还甲软骨肌 返回 cricothyroid