He is a fervent communist.

This phenomenon occurs cyclically.

He has an introverted personality and struggles to speak in public.

This ship is equipped with a new capstan.

In film shooting, the clapperboard plays an important role.

This report provides a comprehensive analysis of the problem.

The shape of her cheekbones is beautiful.

In this chemical experiment, accurate dilution is necessary.

Please dilute this medicine with water before drinking it.

This research is based on quantitative data analysis.