perforated的例句（perforated在句子中的用法）

• The worms have perforated the mucosa to suck blood. 虫体钻入粘膜吸血.
• Sheets of postage stamps are perforated. 一张张的邮票都打过接缝孔.
• The ulcer has perforated. 溃疡已穿孔.
• 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.
• Keep good apples in perforated polythene bags. 把好苹果放在有孔的聚乙烯袋中保存。
• The ulcer has perforated into the lessor omental bursa. 溃疡穿透到小网膜囊.