Finally, it was agreed that the ruby-red ones, coloured by chrome, should be called rubies and all those which were not ruby-red sapphires.

最后达成的协议是：称红色的蓝宝石为红宝石，称其他颜色为蓝宝石和彩色蓝宝石。

youdao

Finally, it was agreed that the ruby-red ones, coloured by chrome, should be called rubies and all those which were not ruby-red sapphires.

最后达成的协议是：称红色的蓝宝石为红宝石，称其他颜色为蓝宝石和彩色蓝宝石。

youdao