On is always maintaining a calm attitude.

He was worried about starting a new project, but I advised him, 'Doing something is easier than worrying about it.'

The protection of this town is my responsibility.

The lakeside overgrown with reeds is very beautiful.

Yuki is my best friend.

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.