It's his habit to shave his facial hair every morning.

He is reading an anthology of poems.

Retroflex sounds are difficult to pronounce.

Retroflex is a phonetic feature that does not exist in Japanese.

A soliton is a part of physics, referring to a wave that progresses while maintaining a certain shape.

We usually represent numbers using the decimal system.

He hit a great base advancement.

He ran fast and advanced to the next base.

He presented his research in order to receive the award.

His research has made significant progress.