详细解释:n. 气管切开术
【医】 气管造口术
词型变化：
名词复数:tracheostomies英语解释：
名词 tracheostomy:
a surgical operation that creates an opening into the trachea with a tube inserted to provide a passage for air; performed when the pharynx is obstructed by edema or cancer or other causes同义词：tracheotomy