He made many contributions in the realm of physics.

In phonetics, a bilabial sound refers to a sound that is pronounced using both lips.

The vice president performs the duties of the president in his absence.

This product is made entirely from natural raw materials.

The party ended late at night.

I spread fertilizer in the garden.

How much does this luggage weigh?

My colleague is very helpful.

He used a prism to analyze light.

My salary is paid once a month.