Retroflex sounds are difficult to pronounce.

He deeply studied the history of anti-Semitism.

His son was born with clubfoot.

In geomorphology, an antidune is a special type of sand dune that forms on the downstream side of a water flow.

Let's cherish every encounter with the spirit of 'once in a lifetime'.

Life is a series of ups and downs.

He does his work perfectly, dotting the i's and crossing the t's.

I conducted an interview in a question-and-answer format.

He is majoring in linguistics.

He has a deep interest in astronomy.