Every layer seems to beat to a different tune. 森林的每一层都有不同的曲调

101. They tell any neighboring siamangs this is our territory. Keep out.
     他们在告诉其他的合趾猴邻居 这是我们的领地,非请勿进!
102. Up here the calls of siamang gibbons seem to dominate the airwaves
     合趾猴通过声音广播来统治领土
103. but with the jungle's incredible diversity there are countless others trying to be heard too.
     可在雨林这个物种多样的国度里, 还可听到更多的声音.
104. Every layer seems to beat to a different tune.
     森林的每一层都有不同的曲调
105. In the early morning
     在清早
106. the forest's chorus is particularly rich.
     森林合唱团特别热闹
107. Sounds travel further in the cooler air
     声音在冷空气中传的更远一些

来自《行星地球 第一季 第八集 Planet Earth S01E08 热带雨林》第 104 行