1
the [noun]
定冠词 the 指特指的一株或一种鸢尾。
The iris has beautiful purple flowers.
这株鸢尾有美丽的紫色花朵。
虹膜
先理解核心含义，再看它在真实句子里的用法。
虹膜
the colored ring of the eye around the pupil, controlling how much light enters
The iris has beautiful purple flowers.
这株鸢尾有美丽的紫色花朵。
A plant of the genus Iris, common in the northern hemisphere, and generally having attractive blooms (See Iris (plant) on Wikipedia.Wikipedia ).
具有剑形叶片和直立花茎的植物,开有由三片花瓣和三片下垂萼片组成的鲜艳花朵
plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals
瞳孔穿孔的可收缩膜,调节光线进入视网膜,形成眼睛的彩色部分
The contractile membrane perforated by the pupil, which adjusts to control the amount of light reaching the retina, and which forms the colored portion of the eye (See Iris (anatomy) on Wikipedia.Wikipedia ).
控制瞳孔大小的肌肉隔膜,从而控制进入眼睛的光量；形成眼睛的有色部分
muscular diaphragm that controls the size of the pupil which in turn controls the amount of light that enters the eye; it forms the colored portion of the eye
She planted purple irises along the garden path to add color in spring.
她在花园小径旁种了紫色的鸢尾花，为春天增添色彩。
The floral arrangement featured irises and lilies in a tall vase.
这个花艺作品以鸢尾花和百合花为主，插在一个高花瓶里。
Irises bloom best in well-drained soil and full sunlight.
鸢尾花在排水良好的土壤和充足的阳光下开得最好。
定冠词 the 指特指的一株或一种鸢尾。
The iris has beautiful purple flowers.
这株鸢尾有美丽的紫色花朵。
不定冠词 a 表示泛指一株鸢尾。
She bought an iris for her garden.
她为花园买了一株鸢尾。
复数形式指多株鸢尾。
Irises bloom in late spring.
鸢尾在晚春开花。
鸢尾花
The iris flower has three petals and three sepals.
鸢尾花有三片花瓣和三片萼片。
蓝色鸢尾（花）
She planted a bed of blue irises in the garden.
她在花园里种了一床蓝色鸢尾花。
鸢尾花园
The iris garden is in full bloom in spring.
鸢尾花园在春天盛放。
虹膜颜色
Her iris color is a striking green.
她的虹膜颜色是引人注目的绿色。
虹膜肌肉
The iris muscles control the size of the pupil.
虹膜肌肉控制瞳孔的大小。
虹膜图案
Each person has a unique iris pattern.
每个人都有独特的虹膜图案。
Use Iris naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象鸢尾花（iris）的绚丽色彩如同眼睛的虹膜（iris），两者都让人联想到彩虹。
register: neutral; contexts: 园艺, 花卉描述; note_zh: 作为植物名称，在日常生活和园艺中常见，属于中性语域。
Plural: irises
Dictionary facts from ECDICT, WIKTIONARY.