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

My new pen tablet is very easy to use.

Propene plays an important role in organic chemistry.

I used pentyne in an organic chemistry experiment.

He was writing a letter with an old-fashioned quill pen.

He tried to save a little only to lose a lot, like picking up nails from the ruins.

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

The otolaryngologist confirmed that my incus is functioning normally.

He lost his job, but he believes in the saying 'when one door shuts, another opens' and is looking for new opportunities.

We should always remember the power of Kannon in difficult times.