美国珠宝学院赞助英国宝石学院将英文教材翻印成中文。

Jewelry Institute of America is proudly supporting Gem-A to translate its English course books to Chinese.

youdao

美国珠宝学院赞助英国宝石学院将英文教材翻印成中文。

Jewelry Institute of America is proudly supporting Gem-A to translate its English course books to Chinese.

youdao