This software maintains backward compatibility.

He raised his hand and asked a question.

Plants of this kind are collectively referred to as 'cacti'.

His actions destroyed his family's happiness.

This mutetrahedron plays a very important role in the world of mathematics.

My younger brother is attending a middle education school.

He was standing behind me.

When you cross the International Date Line, the date changes by one day.

I applied the lipstick to my lips and looked in the mirror.

This food always smells good.