尽管说钻石一颗永流传，但是了解一些钻石保养和清洁和知识以保证其光泽也是很重要的。

While a diamond will last forever, it is important to learn about the care and cleaning of a diamond to ensure its brilliance.

youdao

尽管说钻石一颗永流传，但是了解一些钻石保养和清洁和知识以保证其光泽也是很重要的。

While a diamond will last forever, it is important to learn about the care and cleaning of a diamond to ensure its brilliance.

youdao