iris
英 [ˈaɪrɪs]
美 [ˈaɪrɪs]
n. 虹膜; 鸢尾属植物
复数：irises
Collins.1 / BNC.7368 / COCA.9741
牛津词典
noun
- 虹膜
the round coloured part that surrounds the pupil of your eye - 鸢尾属植物
a tall plant with long pointed leaves and large purple or yellow flowers
柯林斯词典
- 虹膜
Theirisis the round coloured part of a person's eye. - 鸢尾属植物
Anirisis a tall plant with long leaves and large purple, yellow, or white flowers.
英英释义
noun
- diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening
- muscular diaphragm that controls the size of the pupil which in turn controls the amount of light that enters the eye
- plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals