比如说猫头鹰可以将正脸一直转到后脑勺的位置，但是如果它再想看到正前方的东西，那整个头部只能原路返回了。

An owl's head, for example, can twist so far round that it faces backward, but when the bird wants to look forward again, it must turn its head back the way it came.

youdao

暴风雨就要来了，他们只能按原路返回。

A storm was coming and they had to turn back.

youdao

暴风雨就要来了，他们只能按原路返回。

A storm was coming and they had to turn back.

youdao