n.plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals
同义词：flagfleur-de-lissword lily
muscular diaphragm that controls the size of the pupil; it forms the colored portion of the eyediaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening
同义词：iris diaphragm
iris 相关例句
词组短语
iris diaphragm彩虹光圈；[摄]可变光圈（等于iris）
双语例句
用作名词(n.)
The opening of the iris is called the pupil. 虹膜的开口处叫做瞳孔。
The iris is fixed to the ciliary body. 虹膜固定在睫状体上。
The iris of the eye is photographed from up to one meter away. 眼睛的虹膜最远可在一公尺外的距离接受摄影。
Could you teach me how to adjust the iris of the camera? 你能教我怎么调照相机的光圈吗？
Iris is the French national flower. 鸢尾是法国国花。
权威例句
How iris recognition worksHow iris recognition works10.7–How Iris Recognition WorksHow iris recognition worksChapter 25 - How Iris Recognition WorksIris recognition: an emerging biometric technologyChapter 25 – How Iris Recognition WorksInhibition of vascular endothelial growth factor prevents retinal ischemia-associated iris neovascularization in a nonhuman primate.Vascular endothelial growth factor is sufficient to produce iris neovascularization and neovascular glaucoma in a nonhuman primateA human identification technique using images of the iris and wavelet transform
