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.

Even though he was innocent, he was framed.

His recovery was miraculous.

In chemistry class, I learned about basic oxides.

Basic oxides react with acids to produce salt and water.

It is important to self-regulate the use of the internet.

He greatly respects ivory carvings.