Interpretation:

Rainbow, also known as over the rainbow, is an optical phenomenon in meteorology. When sunlight hits water droplets in the air, the light is refracted and reflected, forming an arched colorful spectrum in the sky, which is common after rain. Curved, usually semi-circular. Colorful. The most common sayings about seven-color light in East Asia and China (in descending order of wavelength): red, orange, yellow, green, blue, indigo and purple.

Of beautiful things.

Synonym: rainbow? [hóng ní], also known as "rainbow". Namely? Slug It is the seven-color arc in the sky after rain or at sunrise or sunset.

Antonym: None. "Rainbow" refers to the color spectrum appearing in the sky after rain, which is the refraction phenomenon of solar rays in the atmosphere, and there is no antonym.

Make sentences:

Nanjing Yangtze River Bridge spans the Yangtze River like a rainbow, which is very spectacular.

Youth is like a rainbow after rain, but beauty is fleeting.

A beautiful rainbow appeared in the sky after the rain cleared.

Who can say that he has seen the rainbow and hope without experiencing the wind and rain?

Hope is a rainbow after rain, so you can work hard for its appearance.