iris

虹彩

瞳孔を囲む色のついた輪で、目に入る光の量を調節する部分。

やさしい英語で： The colored ring in your eye that controls how much light enters through the dark center.

• Her iris is bright blue.
• The doctor examined both irises.
• The iris changes the size of the pupil in bright light.

よく使う表現： blue iris, iris color, iris of something

アヤメ、アイリス

長い葉と、紫や青、黄色などの大きな花を持つ植物。

やさしい英語で： A plant with tall leaves and large colorful flowers, often purple, blue, or yellow.

• A purple iris grows by the pond.
• We planted irises along the garden path.
• These irises usually bloom in late spring.

類義語： fleur-de-lis

よく使う表現： purple iris, iris flower, iris bulbs