(Explosion sounds) Then,there's the sound of the actual drilling for oil and gas, the construction of things like offshore wind farms,sonar and of course, the nearly constant drone from more than 50,000 ships in the global merchant fleet.

（爆炸声）然后是石油和天然气实际钻探的声音，海上风电场、声纳等建设的声音，当然还有全球商船队 50, 000 多艘船只几乎不间断的无人机。