He was diagnosed with prostate cancer.

He was tried for the crime of desertion in the face of the enemy.

He is an expert in physical anthropology, conducting research on human evolution.

The lens of this camera is easy to attach and remove.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

He is involved in the development of androids.

His eyeballs are blue and beautiful.

He said 'thank you'.

By conducting this experiment, we will verify our hypothesis.

He is studying late into the night to learn a new computer language.