What is marine biologist a Chinese

What modern language has been in use the longest?

Is anyone in 6th grade here because i only see high school stuff

Will give ! need latin ! translate the following sentences ! bellum ab romanis in (against) graecos gestum est puellae ab nautus graecos pugnare gladiis doctae sunt dona magna ab pueris pulchris puellis parvis data erunt maga regni ab regina mala amatur ( dont use translators)