Live orchids form a rainbow of colors in the Botanic Garden's conservatory building.

VOA: special.2010.04.06

The rainbow is set up as a symbol of the eternal covenant, a token of the eternal reconciliation between the divine and human realms.

彩虹，作为契约生效的标志,标志着神与人之间的永久共存。

耶鲁公开课 - 旧约导论课程节选

So now, for example, there are a whole range, just a whole rainbow of fluorescent proteins that can be used.

现在，人们可以用的荧光范围，达到整个彩虹色谱。

麻省理工公开课 - 化学原理课程节选

But now rain,sun and age had made it a rainbow of colors.

VOA: special.2010.06.12

Poetry feeds my soul. Poetry is comforting and soothing, and it's awe-inspiring as a glimpse of rainbow, which should come as no surprise since poems and rainbows have something in common.

VOA: special.2009.10.12