tracheas的翻译，读音
释义：
气管
n membranous tube with cartilaginous rings that conveys inhaled air from the larynx to the bronchi
n one of the tubules forming the respiratory system of most insects and many arachnids
n membranous tube with cartilaginous rings that conveys inhaled air from the larynx to the bronchi
n one of the tubules forming the respiratory system of most insects and many arachnids