He treats us as a big friend.

I learned about the reaction of amidine in chemistry class.

I go jogging first thing in the morning.

I decided to be the first to enter the freshly-prepared bath today.

Among my family, I am the tallest.

Essential amino acids are vital nutrients for the human body.

Essential amino acids cannot be produced in the body, so they need to be obtained from the diet.

We respect Japanese culture.

We are going on a trip tomorrow.

When I first met her, I introduced myself saying, 'I am Japanese.'