Flowers of the genus Iris.

鸢尾属的花朵，鸢尾花。

The colored parts of the eyes surrounding the pupils.

眼睛中围绕瞳孔的有色部分。

Adjustable diaphragms that control aperture size in lenses or instruments.

用于镜头或仪器中控制孔径大小的可调光圈。

Rainbows or displays of prismatic colors; iridescent hues.

彩虹或棱彩色的光泽；虹彩。

Opens or closes like an iris diaphragm.

像虹膜光圈那样开合。

Gives something rainbowlike colors; makes iridescent.

使呈现虹彩；使具有虹色光泽。