Hexacosane is a type of saturated hydrocarbon in organic chemistry.

In the organic chemistry experiment, we succeeded in synthesizing cycloicosane.

The head of the household has a responsibility to protect the safety of all family members.

If you want to study Japanese, there's nothing better than going to Japan.

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

His work progress is slow.

She was sitting in a ladylike manner.

His story was so tedious that I fell asleep.

I have a waist pouch.

She is a very famous cosplayer.