He is an experienced sailor.

This theory is accepted by many scientists because of its universality.

His nameplate had his name and position written on it.

He is a shoe fetishist, especially fond of high heels.

He is conducting research on fetishism.

In Japanese society, familism is deeply rooted.

You can measure time with the accuracy of a femtosecond.

This theory is universally accepted.

Fluorine naturally exists in the Earth's atmosphere.

Fluorine is an important element for dental health.