platinum group glass

例句：

1. 1. Theplatinum group glasses are very expensive.
   铂金集团的眼镜非常昂贵。
2. 2. He boughta pair of platinum group glassesfor his mother's birthday.
   他为母亲的生日买了一副铂金集团的眼镜。
3. 3.The platinum group glasses were madeby a famous brand.
   这些铂金集团的眼镜是由一个著名的品牌制造的。