I need to buy some second strings for my guitar.

The second violins played a beautiful melody.

The second girls arrived late to the party.

The second units of measurement are minutes and hours.

Orange, green, and purple are secondary colors.

The second-stringers performed exceptionally well in the game.

She successfully launched her second-acts as a writer after retiring from her corporate job.

Renewable energy sources such as wind and solar power are considered secondary energies.

The team received the second new balls for the match.

Secondary drownings can occur hours after a near-drowning incident.