He measured the humidity using a psychrometer.

He is wearing a new wristwatch.

I soak my toothbrush in mouthwash every night.

You need earmuffs on cold days.

He used the technique of ear copying to create a new song.

He is good at playing the song by ear.

In order to understand his story, I was listening closely.

That song is very beautiful and has a melody that lingers in the ear.

His music is like ear rape.

She was cosplaying with animal ears.