He publicly admitted that he is a bisexual.

The sinusoid is used to represent many phenomena in nature.

His standard of living has improved significantly.

His brother was diagnosed with schizophrenia a long time ago.

Sexual reproduction is one of the methods of reproduction in organisms.

I think he has a high aptitude for music.

His lust for conquest made him a powerful leader.

This document contains environment-dependent characters.

This old television uses a cathode ray tube.

He is irritable like a tantrum ball.