啃咬东西是为了使它们的牙齿生长能达到合适的长度。

This is to keep their ever-growing teeth at a convenient length.

youdao

然后我要给这颗牙齿弄一弄，使它的长度变得短一些。

Then I'll reshape the tooth to reduce the length of it a little bit.

youdao

然后我要给这颗牙齿弄一弄，使它的长度变得短一些。

Then I'll reshape the tooth to reduce the length of it a little bit.

youdao