amputating造句怎么写

Over the next several days, he drank his own urine to stay hydrated and experimented with the idea of amputating his arm with a pocketknife, but he had no way of sawing through two bones in his arm.

Objective: To study the influence of amputating cricopharyngeal muscle and unilateral pharyngeal constrictor after total laryngectomy on vocal restoration.