He is dedicated to the study of immunochemistry.

In the physics experiment, we observed the reflection of light using a concave mirror.

He has excellent abilities in every quarter.

He is attending driving school to obtain a temporary license.

There is a three-way interview at my son's school tomorrow.

People with strong general immunity are less likely to catch a cold.

Mucosal immunity plays a crucial role in protecting our bodies from pathogens.

Sakuramenzuhira represents the beautiful nature of Japan.

This regular dodecahedron is a geometric shape with perfect symmetry.

He made a model of a regular dodecahedron.