Bouncing: describes the healthy, lively and energetic appearance of teenagers.
Joyful: describes extreme liveliness and happiness.
Lively: Lively, cheerful and lively.
Surprise the snake into the grass: describe the cursive script as vigorous and lively.
Lively: describe lively, vigorous and full of vitality.
Innocence: Innocence: refers to inner simplicity, without affectation and hypocrisy; Romance: frank and natural appearance. Describe children's simple, lively and lovely thoughts, without affectation or hypocrisy.
Innocent: describe children as simple-minded, lively and lovely, unpretentious and not hypocritical. Use "childish".