but frogs ears are tuned to hear only the calls of their own kind. 可蛙类只能听到同类的声音

114. and right on cue the six o'clock cicada.
     蝉很准时的在六点钟开始鸣叫
115. Night brings out a whole new orchestra.
     夜晚带来了新的管弦乐章
116. The cacophony of competing calls seems deafening to us
     刺耳的声音震耳欲聋
117. but frogs ears are tuned to hear only the calls of their own kind.
     可蛙类只能听到同类的声音
118. The songs of courtship echo from all around.
     蛙求爱的声音此起彼伏
119. Male gliding leaf frogs leap from the treetops.
     雄性红眼叶蛙,正从树顶下落
120. To slow their descent, they use their huge webbed feet as parachutes.
     在慢镜头下,可以看到它们用自己巨大的蹼趾控制方向 如同降落伞

来自《行星地球 第一季 第八集 Planet Earth S01E08 热带雨林》第 117 行