iris

iris汉语翻译：
n. 虹膜, 鸢尾属植物, 虹, 虹彩
【化】 可变光阑
【医】 虹膜, [蓝旗]鸢尾根词型变化：
名词复数:irises英语解释：
名词 iris:

plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals同义词：flag, fleur-de-lis, sword lily

muscular diaphragm that controls the size of the pupil; it forms the colored portion of the eye

diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening同义词：iris diaphragm

例句：

Surgical removal of part of the iris of the eye.虹膜切除术手术切除部分虹膜

Shaped like a sword, as the leaf of an iris.剑形的，如鸢尾属植物的叶子

Inflammation of the iris of the eye.虹膜炎虹膜的感染发炎

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？

详细解释：
i.ris
n.（名词）
【复数】 i.ris.es 或 i.ri.des [o.r-dôz., r.-]
The pigmented, round, contractile membrane of the eye, suspended between the cornea and lens and perforated by the pupil. It regulates the amount of light entering the eye.
虹膜：眼睛中一层带色素的，球形的可伸缩的薄膜，处于角膜和晶状体之间，为瞳孔所穿过。它调节进入眼球的光的数量
Any of numerous plants of the genusIris, having narrow sword-shaped leaves and showy, variously colored flowers.
鸢尾：一种鸢尾 属植物，有狭窄的剑状叶和显著的各色花朵
A rainbow or rainbowlike display of colors.
彩虹或彩虹般的色彩
来源：
Middle English [rainbow]
中古英语 [彩虹]
from Latin oris orid-
源自 拉丁语 oris orid-
from Greek [rainbow, iris of the eye] * see wei-
源自 希腊语 [彩虹；虹膜] *参见 wei-