This yogurt is fat free.

The flavor improves when you use cottonseed oil in cooking.

Almond oil is indispensable in my skincare routine.

Learning about the history of Shuyu-shi is very interesting.

I'm thinking of having youlinji for dinner today.

Heavy hydrogen is one of the isotopes of hydrogen.

She is interested in numerology.

I can fall asleep immediately after taking a sleeping pill.

He is majoring in applied mathematics at university.

Combinatorial mathematics is a branch of mathematics that studies the combinations of things.