Akami is my best friend.

Juria is my best friend.

Nitrous oxide, also known as laughing gas, is used for anesthesia.

My grandfather was born in the Philippines.

It is said that Yagamihime of Inaba was a very beautiful princess.

I use a set square to draw shapes.

In chemistry class, I learned about acid anhydride.

In chemistry class, I learned about acidic oxides.

Lower fatty acids play an important role in the human body.

Essential fatty acids are necessary to be taken from our diet because our body cannot produce them on its own.