How many people are aware that a dancer with the New York City Ballet typically wears out a minimum of two hundred pairs of toe shoes per year?

Some children display an unquenchable 难以抑制的 curiosity about every new thing they encounter.

The flower bud of a water lily 百合 opens at sunset since .its opening is triggered(commence) .by the decreased light.

In literature, caricatures讽刺画 usually contain verbal exaggeration through which the writer achieves comic and often satiric 讽刺effects.

Some animals pant and sweat to speed evaporation of body moisture and thus cool themselves.