Biting a pencil with a long time, and can also cause teeth askew.

咬的很长一段时间一支铅笔，也可以导致牙齿歪斜。

youdao

Biting a pencil with a long time, and can also cause teeth askew.

咬的很长一段时间一支铅笔，也可以导致牙齿歪斜。

youdao