My younger brother is good at aquatics.

I have been to Blagoveshchensk.

The Reverse Address Resolution Protocol is a protocol for obtaining host names from IP addresses.

There are a few problems.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

This job is a little more difficult than I thought.

My friend lives in Komsomolsk-na-Amure.