I heard the beautiful song of a common blackbird in the park.

The characteristic of annelids is that their bodies are divided into ring-shaped segments.

This butterfly valve is used to control the flow of fluid.

He explained in detail about the structure of the sphenoid bone.

He drew a straight line using a T-square.

She is learning the grammar of the present progressive form.

This is my new car.

My mother does the laundry almost every day.

My sister is in her forties, but she is still youthful.

His talent is immediately noticeable.