This week UNESCO announced it has found three new shipwrecks, including two that are thousands of years old. But just how many more could be out there?…の日本語訳は？

This week UNESCO announced it has found three new shipwrecks, including two that are thousands of years old. But just how many more could be out there?

今週、ユネスコは3つの新たな沈没船を発見したことを発表しました。その中には数千年前のものも2つ含まれています。しかし、これからまだ何隻もの沈没船が存在する可能性はあるのでしょうか？

主語: UNESCO(ユネスコ)

述語動詞: announced(発表), found(発見)

目的語: three new shipwrecks(3つの新たな沈没船)

補足情報: thousands of years old(数千年前のもの)