Language contact occurs when people who speak different languages interact.

I could tell from his body language that he was angry.

She damaged her speech center due to a stroke and lost the ability to speak.

Do you know the origin of this word?

He can speak many languages.

The atomic number of helium is 2.

Metalinguistics is an important concept in linguistics.

In order to find the least common denominator, you need to find the multiples of all denominators.

Cell division is one of the basic processes of life.

Kamakura Udaijin is the courtesy name of Minamoto no Sanetomo.