He settled the issue immediately.

I was able to find the Big Dipper.

Observing dark nebulae is difficult.

The rhinoceros is a famous character.

In Japan, husband and wife retaining different surnames is not yet recognized.

I am majoring in biophysics at university.

Molecular biology is a field of study that understands life phenomena at the molecular level.

I am majoring in developmental biology at university.

Biotechnology plays a very important role in the medical field.

He is an expert in biophysics.