noun 下载 🔗分享 空肠 The central of the three divisions of the small intestine which lies between the duodenum and the ileum Examples : "After food leaves the duodenum, it enters the jejunum, where most nutrient absorption occurs. " 食物离开十二指肠后,会进入空肠,大部分营养物质都在这里被吸收。 anatomy organ body medicine physiology biology 与AI对话词汇游戏阅读练习