◎ jejunum是什么意思 n. 空肠 n. the part of the small intestine between the duodenum and the ileum jejunum的用法和例句: 1. I have a fivecentimeter segment of proximal jejunum. 我找到五公分长的近端空肠段 2. Rouxeny anastomose the jejunum to the stomach. 胃...