As a resul t, nacre thickness is sometimes just a cosmetic layer t hat can wear thin over time.

所以真珠质的厚度就像脸上化妆品，不久就会磨薄了。

youdao

As a resul t, nacre thickness is sometimes just a cosmetic layer t hat can wear thin over time.

所以真珠质的厚度就像脸上化妆品，不久就会磨薄了。

youdao