Frontinus wrote his treatise on the Roman water-supply, De Aquis Urbis Romae.
The aquis had all the time remained perfectly quiet, with its eyes fixed on us.
Suddenly the aquis turned round, and began to swim to the other side of the river.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "aquis" in a variety of sentences. We hope that you will now be able to make sentences using this word.