He suddenly started acting as if he had gone mad.

He always cares about my health.

The music is too loud, my concentration disperses.

I missed the important point because I was distracted by his humorous story.

When I heard that news, I felt as if I was going to faint.

He fainted from the pain.

This bacteria is aerobic and can live in the presence of oxygen.

He has a deep interest in astronomy.

The weather today is very good.

He is conducting research on celestial bodies.