If we take all the Amazon, which is a very large area, and add it up to all that water that is released by transpiration, which is the sweat of the forest, we'll get to an incredible number: 20 billion metric tons of water.
如果我们把整个亚马逊 这么一个硕大的地方 里面所有经过蒸发作用的水 都集合起来 那也就是森林流下的汗水 我们会得到一个很吓人的数字： 两百亿公吨水