Astronomers are studying the movement of the celestial sphere.

I look forward to playing casual amateur baseball with my friends on weekends.

He started walking around the room in an anticlockwise direction.

Retroflex sounds are difficult to pronounce.

He deeply studied the history of anti-Semitism.

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

Ban is my best friend and always supports me.

Do you need my stamp?

He ate half of the pizza.

He lived in Japan for a year and a half.