He is an expert in dermatology.

I got a blister on my foot.

He grew up in a slum, but now he is a successful businessman.

The number subtracted from the minuend is called the subtrahend.

It is said that every year on July 7th, Orihimeboshi and Hikoboshi meet.

He grew up in a slum and overcame difficulties to succeed.

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

Essential amino acids are vital nutrients for the human body.

Let's apply sunscreen before going to the beach.

This room is chilly. Turn on the heater.