This house is warm even in winter because it has double-pane windows.

He is learning how to use the second adjective.

Double dipping is a breach of etiquette.

This game is really fun from the second playthrough.

Redistribution of this software is prohibited.

I will hold my birthday party on the fifth day of the month.

The 24-cell is one of the geometric shapes in four dimensions.

The 正二十四胞體 is one of the regular polytopes in four dimensions.

He said, 'Each person has one life, like a pike or a shrimp,' and decided to live his life with care.

My family consists of five people.