铱金钢笔
英语：Irauritapen
重点词汇：
Iraurita
[词典] 铱金;
例句：
Iridium hard wear-resisting,the iraurita pen tip ismore durable than the ordinary pennib, key inthis "small dot" on.
锇铱合金坚硬耐磨，铱金笔尖比普通的钢笔尖耐用，关键就在这个“小圆点”上。
铱金钢笔
英语：Irauritapen
重点词汇：
Iraurita
[词典] 铱金;
例句：
Iridium hard wear-resisting,the iraurita pen tip ismore durable than the ordinary pennib, key inthis "small dot" on.
锇铱合金坚硬耐磨，铱金笔尖比普通的钢笔尖耐用，关键就在这个“小圆点”上。
