He injured his leg in a traffic accident.

Palaeoclimatology is the science that studies the past climate of the Earth.

He is proud that his name is '傲'.

This room has a Japanese-style atmosphere.

He was standing by the side of the incident, doing nothing.

His existence is barely noticeable.

Mamiyo is my best friend.

Yomiko is my best friend, we always go to the library together.

Mikoyo is my best friend.

He is good at solving algebra problems.