I dream of traveling through the universe someday.

He is majoring in hydrology at university.

He is conducting research on a new energy source.

He is researching about a new energy source.

Infrared astronomy provides a new perspective on understanding the universe.

Her dress was a vivid lemon color, and it stood out.

We plan to visit the ancient remains over the weekend.

Hygiene is very important in daily life.

This problem can be solved by solving equations with linearity.

The tugboat was pulling a large ship into the harbor.