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.

His hair is long and black.

This country is ruled by oligarchs.

The captain ordered a big turn around.

The doctor examined his problem with the glans penis.

I'm troubled because my dandruff is severe.

I am planning to go to Shantou in Guangdong Province next week.