a. Formed with or like a rainbow.
n. 彩虹；五彩缤纷的排列；幻想a. 五彩缤纷的；彩虹状的vt. 使呈彩虹状；如彩虹般装饰vi. 呈彩虹状n. (Rainbow)人名；(英)雷恩博