On average, over two meters a year. 平均年降水量可达2米

141. and up here they're safer from predators.
     在这里,也能免于被掠食者吃掉
142. Surprisingly, it doesn't rain every day in the rainforest
     雨林虽然不是天天下雨
143. but more still falls here than anywhere else on Earth.
     但是这里仍然比地球上其他地方下的多
144. On average, over two meters a year.
     平均年降水量可达2米
145. A single tree can suck up hundreds of tons of water each year
     一棵树每年可吸收几百吨的水
146. But the trees can't use all this water so, much of it returns to the air as vapor, forming mist and clouds.
     不过树也无法全部喝掉这些水, 多数被转换成了水蒸气从而形成了薄雾和云
147. In the Amazon,
     在亚马逊

来自《行星地球 第一季 第八集 Planet Earth S01E08 热带雨林》第 144 行