iridescence

肥皂泡表面的彩虹色光泽随着光线变化而闪烁。

The soap bubble's ___iridescence shimmered as the light changed.

孔雀羽毛在阳光下闪烁着彩虹般的光泽。

The peacock feather shows amazing ___iridescence under the sunlight.

肥皂泡表面的彩虹色光泽在阳光下闪烁。

The soap bubble's surface shimmered with beautiful ___iridescence in the sunlight.