n.气管，导管，螺旋纹管； 变形： 复数：tracheaetracheas 英英释义： trachea[ trə'ki:ə, 'treikiə ]n.membranous tube with cartilaginous rings that conveys inhaled air from the larynx to the bronchi同义词：windpipeone of the tubules forming the respiratory system of most insects and ma