I saw many mus swimming in the river.

I saw many mus in the field.

You mus' be kidding!

I learned the Greek alphabet and the mu is the 12th letter.

Mu is a concept in Zen Buddhism that represents neither yes nor no.

In Zen Buddhism, mu represents the concept of nothingness.

The size of the field is 10 mu.

My name is Mu.

The mu particle is an elementary particle in physics.

MU stands for North Maluku.