Rainbow is a colorful arc in the sky.

Meaning: This sentence describes the appearance of a rainbow in the sky after rain.

Choice of Words: A rainbow is a beautiful, colorful arc that appears in the sky, typically after a rain shower. Arc is a curved line or shape, and sky is the vast expanse of air and space above the earth.

Alternative Expressions

The rainbow is a bright, curved line in the sky.

Meaning: This sentence describes the appearance of a rainbow.

Choice of Words: Bright means producing or reflecting a lot of light. Curved means not straight or flat, but following a curve. Line is a long, thin mark made by a pen or pencil. Sky is the space above the earth and below outer space.

The rainbow is a beautiful, colorful semicircle in the sky.

Meaning: This sentence describes the appearance and beauty of a rainbow.

Choice of Words: Beautiful means very pleasing to the eye or mind. Colorful means having many different colors. Semicircle is a half of a circle. Sky is the space above the earth and below outer space.

Related Expressions