The development of this essay is written very skillfully.

This full stop indicates the end of the sentence.

He finds it difficult to learn Japanese idioms.

What does this phrase mean?

A noun phrase forms a major part of a sentence.

He is good at composing music phrases.

He likes to take a walk in the park at dusk.

His curiosity always drives him to learn new things.

I was diagnosed with fatty heart by the doctor.

Please teach me how to calculate the circumcenter of this triangle.