In the deepest depths of his heart, there is a secret that he can't tell anyone.

The sound of raindrops hits the window glass.

This door opens automatically.

He used all his strength.

His actions became a great disgrace to his family.

The power of that robot far exceeds that of humans.

His energy towards his work is amazing.

Even though he is getting older, he still has vitality.

The topography of this area was mainly formed by the geomorphic agent of wind.

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