Our project is scheduled to be completed on the sixteenth day of the month.

The rokbenko, piling up outside the window on a winter night, is beautiful.

Learning about the history of the Liuwei Fu is very important for understanding ancient Chinese society.

Einstein proposed the theory of relativity.

His actions always have a duality.

My younger brother caught the influenza.

This material has high corrosion resistance.

The prevention of venereal diseases is most important in safe sexual behavior.

This equation has homogeneity.

Radioactive elements are produced in nature and scientific experiments.