Can eyebrows be described as natural beauty?

Can't!

Natural: Naturally occurring. Beauty: beautiful appearance. Describe a woman as charming and beautiful.

Said by: Tang Juyi's Song of Eternal Sorrow: "However, you can't hide your grace, and you will be elected to the royal family one day."

Words to describe eyebrows are

Liu eyebrow, silkworm eyebrow, broom eyebrow, figure-of-eight eyebrow and crescent eyebrow

Eyebrows are like crescent moon, eyebrows are like daggers, and eyebrows are cold and frowning.

Bow eyebrows, sword eyes, smooth eyebrows, hanging mouth, heavy eyebrows, big eyes, long eyebrows and fine eyes, such as silver leaves.

Eyebrows bow like a moon, eyebrows like a spring mountain, slender eyebrows, beautiful and proud eyebrows.

Make eyes at each other, make eyes at each other, make eyes at each other and frown.

Long face, fine eyebrows, fine eyes, sword eyebrows, thick eyes, black eyebrows, wind eyes and silkworm eyebrows.

Eyebrows are broad, thick as brooms, straight and frowning slightly.