In our medical class, we learned about the function of the pyramidal tract.

He's always shouting loudly, but in reality, he's just a barking dog that seldom bites.

The image on my new high-definition TV is very clear.

The image on my new high-definition television is very clear.

Takamimusubi Shrine is one of the important shrines in Japan.

A tesseract is a four-dimensional geometric shape.

A 5-cell is a simple convex polytope in four dimensions.

This area is seriously contaminated with radioactive isotopes.

In organic chemistry, the concept of cis-trans isomers is important.

The study of filterable pathogens is an important part of virology.