The largest waves crash down with a force of a four-ton weight landing on your chest.

最大的浪拍打下来力量可以达到4吨 拍打在你的胸膛上

Without water around you to absorb the blow, itwould be fatal.

如果周围没有水来吸收能量那浪花将是致命的

But there is another far greater source of energythat the oceans capture.

但是海洋还会捕捉一种更巨大的能量源

The energy that createsthe tides comes from our nearest neighbour in space.

制造潮汐的能量来自我们在太空中最近的邻居

The Moon's gravity tugs at the water in our oceans

随着地球在月球下方旋转

while the Earth rotates beneath it.

月球的重力吸引着海洋中的水

But the Moon doesn't always act alone.

但是月球不总是独自发挥作用

Each year, from China to Brazil,

每年，从中国直到巴西

there are many days when the gravitational pull

都有那么几天月球和太阳会在一条直线上

of the Moon and Sun combine to unleash an extraordinary phenomenon.

它们共同的万有引力会带来异常的现象

This can be seen in action where the rivers of the Amazon basin

你可以看到亚马逊盆地河流的情况

in South America meet the Atlantic Ocean.

在南美的大西洋海岸上