I'm a Muslim, so I fast during Ramadan.

I'm Jewish.

It is thirty-three kilometers to my house.

He is studying every day with the spirit of perseverance.

He is studying every day with the spirit of unyielding diligence in his studies.

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.