In a rainbow, the colours pass into one another.
虹的色彩互相变来变去。
He proved this by letting the beam of rainbow-colored light pass through another prism. This changed the colored light back to white light.
为了证明这一点,他让一束彩虹——即有色光线通过另一个三棱镜,结果这些有色的光又变回到了白光。
You pass under the rainbow and through the gates.
你在彩虹下穿过大门。
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