pessulus的翻译，读音
英/'pesәlәs/
释义：
栓骨
n. A delicate bar of cartilage connecting the dorsal and
ventral extremities of the first pair of bronchial cartilages in the
syrinx of birds.
n. A delicate bar of cartilage connecting the dorsal and
ventral extremities of the first pair of bronchial cartilages in the
syrinx of birds.