This basin was used in ancient washrooms.

I am majoring in auditory phonetics at university.

In linear algebra, the upper triangular matrix plays a very important role.

Linear programming is a part of operations research and is used to find the optimal solution.

He dreams of becoming a champion in mixed martial arts.

He became the champion of the mixed martial arts competition.

I can't find my Allen key.

He is an expert in comparative linguistics.

He is the champion of the stone, paper, scissors game.

He got a three of a kind in poker.