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

When you cross the International Date Line, the date changes by one day.

Cytogenetics is a science that studies the structure and function of chromosomes and genes.

This area has undergone such a great change that it can be described as 'the sea has turned into a mulberry field'.

His life changed just like 'fields and mountains turn into seas and oceans'.

The Transmission Control Protocol is an important element for ensuring the reliability of data communication.

My new electric car is very quiet and also environmentally friendly.

My new electric vacuum cleaner is very quiet, making cleaning easier.

Chemotransmitters play an important role in the transmission of information between nerve cells.

The trolleybus is very convenient as a means of urban transportation.