Its entire head acts as an amplifier 它的头犹如扩音器

260. It's totally blind,
     它的视力已完全退化
261. but there's nothing to see underground anyway.
     但地下本来也没有什么可看的
262. Instead, it has superb hearing.
     取而代之的是它极佳的听觉
263. Its entire head acts as an amplifier
     它的头犹如扩音器
264. that picks up vibrations through the sand,
     能够捕捉通过沙子传来的振动
265. so, to locate prey on the surface of the dune,
     所以 为了定位沙丘表面上的猎物
266. it has, paradoxically, to thrust its face into the dune.
     它反而矛盾地将脸埋进沙子里

来自《行星地球 第二季 第四集 Planet Earth S02E04 沙漠》第 263 行