Trinitrotoluene is a compound often used in organic chemistry.

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

The Old Turkic script was used to record ancient Turkish.

My grandfather has traveled the world when he was young.

He played his trump card at the end of the argument.

This antique clock is something I inherited from my grandfather.

He is good at deciphering new music scores.

I always play golf with my friends on weekends.

He is good at writing and writes a diary every day.

He is a good correspondent, always writing letters.