Please use a set of parallelism sentences to talk about your understanding of youth.

A song that never gives up.

Youth is a kind of

A never-ending river

Youth is a book.

Never get tired of reading.

Youth is a cup.

Endless tea

Youth is a building.

Standing on the top of the national forest

Carve the footprints of thousands of young people in Qian Qian.

Youth is a building.

Knowledge pagoda

Sprinkle the sweat of thousands of young people in Qian Qian.

Youth is a thriving tree.

Stand the test of wind and rain

Youth is a flower.

A budding bud

Want to show the world your unique charm.

Youth is a beautiful dream.

But one day I will wake up from my dream.

Youth is a small river

But it will dry up one day.

Youth is a rainbow.

But it will disappear one day.

Youth is a blooming flower.

But one day it will fall.

Youth is the fine sand in your hands.

Unconsciously, it has leaked out.

Youth is a meteor in the sky.

Although it was beautiful, it passed quickly.

Youth is the fragrance left by happiness.

Everything I want to cherish is gone.