iris/ˈaɪ.rɪs/名词鸢尾属植物（尤生长于潮湿环境，开蓝色、黄色或白色花，叶细长）虹膜The iris of her eye was a beautiful shade of green.她的眼睛虹膜是美丽的绿色。想跟读，去练习
