I will work using this laptop.

He is good at writing short novels.

I can't find my ballpoint pen.

My new tablet comes with a stylus.

He likes to write short stories.

He ended up in a state of confusion.

I lost my mechanical pencil, so I'm going to buy a new one.

This world continues to give rise to innumerable changes.

Pentadecane is produced in this chemical reaction.

This compound is an organic chemical called pentacosane.