But from then on, the future of Raine Island looks very uncertain. 然而再之后 雷恩岛依然前途未卜
..then loads with a precise amount of water. 然后装填精确量的水
Since then, we've explored almost every part of the planet 自此 我们几乎探索了这个星球上的每处角落
And then follows one of nature's great spectaculars. 上演一场蔚然壮观的自然演出
but then vanish almost as quickly as they came. 但以几乎同样的速度消失