swim
Many fish swim in the river.
Algunos niños nadan en el mar.
Some children swim in the sea.
They swim with ease.
Los delfines nadan con nosotros.
Dolphins swim with us.
The fish swim in the water.
They all swim very fast.
Algunos niños nadan en el río.
Some children are swimming in the river.
No sabía que los perros nadan bien.
I didn't know dogs were good swimmers.