He is a high-ranking officer in the military.

There are many alternative algebras that can be used to solve the problem.

The sailor tied the alternating knots on the rope.

The museum displayed several beautiful alto-relievos.

Many countries are investing in alternative fuels to reduce their dependence on fossil fuels.

The election used alternative votes to determine the winner.

Alternate histories explore what could have happened if certain events in the past had unfolded differently.

She has a collection of altar poems.

The alternating groups are important in the study of group theory.

The alto hornists performed a beautiful melody.