gold黄金;
white gold白金;
alloy合金;
palladium钯金;
titanium钛金;
platinum铂金;
silver白银;
purity黄金纯度;
Karat=K黄金的纯度单位;
sterling silver纯银;
diamond钻石;
carat克拉;
amber琥珀;
amethyst紫水晶;
sapphire蓝宝石;
ruby红宝石
【雅思词汇:常见贵金属合集】相关文章:
最新
2016-02-29
2016-02-29
2016-02-29
2016-02-29
2016-02-29
2016-02-29