His long hair is very nice.

His meaningful gaze made me uneasy.

He inserted the key into the keyhole.

He inserted a flower into the vase.

In Hokkaido dialect, he vomited.

There is a state-of-the-art electron microscope in my laboratory.

The Yata no Kagami is a sacred mirror that appears in Japanese mythology.

He monitored the enemy's movements using a periscope.

I used an optical microscope for an experiment at school.

When I look into her eyes, it's like I can see her heart. That's because the eyes are the window to the soul.