I was astonished and dumbfounded by his sudden confession.

The door opened with a bam.

He wielded the megaphone and directed the movie.

He is storing food for the winter.

He likes to take a walk in the park at dusk.

Trinitrotoluene is a compound often used in organic chemistry.

In organic chemistry, tritriacontane is a type of saturated hydrocarbon.

He started walking around the room in an anticlockwise direction.

Retroflex sounds are difficult to pronounce.

He deeply studied the history of anti-Semitism.