His heart was a symbol of his love.

In order to calculate the centroid of this shape, you need to know the area of each part and the position of its centroid.

I'm excited to hear that a new project is starting.

He always has a high sense of alertness.

He has a strong ambition and is always seeking self-improvement.

My dream is to own a yacht in the Mediterranean Sea.

My father is a doctor.

She bought a new bra.

My stepfather is a very kind person.

The Calopteryx cornelia is a species endemic to Japan, and it has beautiful wings.