It has a new internal skeleton that makes it both fast and agile. 它有一种新的内部骨骼 令它既快速又灵活

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internal skeleton agile fast both makes new has it that and a
  1. It hasn't yet evolved a jaw,
    它尚未进化出颌
  2. so can only suck up the scraps.
    所以只能吸食残渣
  3. But what it has evolved will change the course of history.
    但它进化出的特征将改变历史进程
  4. It has a new internal skeleton that makes it both fast and agile.
    它有一种新的内部骨骼 令它既快速又灵活
  5. A backbone.
    那就是脊椎
  6. And while it may not look like much,
    虽然看起来并不起眼
  7. fish like Arandaspis
    但像阿兰达甲鱼这样的鱼类

来自《我们星球上的生命 第一季 第二集 Life on Our Planet S01E02 第一前线》第 158 行

Walden21
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