Do you remember where I put my Jirin (Chinese character dictionary)?

Zilin is my Japanese teacher.

This fertilizer is mainly composed of ammonium phosphate.

I have been to Lin'an.

I want to learn about the history and culture of Shaolin Monastery.

The word 'arinsu' is Okayama dialect, isn't it?

He is majoring in geomorphology at university.

He walked down the public street towards school.

Heliocentrism is the theory that the sun is the center of the universe.

In mathematics, equivalence classes are a very important concept.