My friend is participating in a clinical trial for a new drug.

He went to the location himself to find out the truth about the place.

This sensor can detect abnormalities at an early stage.

This device can detect abnormalities at an early stage.

His expertise was very helpful to our project.

He was working throughout the entire night.

My younger sister is twenty-two years old.

He is good at handling heavy machinery.

The villi cover the surface of the small intestine and help absorb nutrients.

He is known as a French musketeer.