非常明显，前面的牙齿先改变，后面的牙齿再改变。

Apparently front teeth changed first, back teeth later.

youdao

这些早期翼龙嘴里都长满了牙齿，通常来说，小的牙齿长在后面，大的牙齿长在前面。

These early pterosaurs all had a mouth full of teeth, usually small at the back and larger at the front.

youdao

当我回来的时候，玛格·丽特躺在炉火前面，冷得牙齿格格直响。

When I returned, Marguerite was lying in front of the fire, and her teeth were chattering with cold.

youdao