He is an expert in ethology.

We went on a trip using the expressway.

He publicly acknowledged that he is a homosexual.

He and his brother look so alike, they seem like the very same person.

He is trying to overcome homophobia.

As an example of different kanji with the same kun, there are 'sea' and 'lake'.

The iteration mark 々 is used in this kanji.

The police believe that all these incidents were committed by the same criminal.

This is my first trip to Japan.

Old English is a language that was spoken in England from the 5th to the 12th century.