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.

In organic chemistry, the concept of conformational isomers is very important.

The Commonwealth of Independent States is an intergovernmental organization formed by part of the former Soviet Union.

In Christianity, God is considered as the Trinity of the Father, the Son, and the Holy Spirit.

He is good at drawing a two-dimensional world.

His idea seems to have come from a different dimension.

This game uses three-dimensional graphics.

His research focuses on the theory of transdimensionality.