gangrened的例句（gangrened在句子中的用法）

• Objective To explore the way to preventing incisions infection of gangrened and perforated appendicitis. 目的探讨预防坏疽穿孔性阑尾炎切口感染的有效方法.
• Vice gangrened large cities. 罪恶使得大城市道德败坏.
• The bullet wound gangrened and had to be operated. 枪伤腐烂了,必须动手术(切除).