He is studying the shape of the skull.

I was surprised by the taste when I ate mussels for the first time.

I am amazed at his extraordinary talent.

That problem hinders his progress.

He prepared for the exam.

His words resonated profoundly in my heart.

We are planning to go fishing in the open sea this weekend.

He has to deal with problems both inside and outside.

Ultraviolet rays can have a negative impact on the skin.

What is the meaning of this painting?