我们送给他们一个纯银制成的精美杯子作为礼物。

We gave them a beautiful cup made of pure ___silver as a gift.

她戴了一条银制的漂亮项链，上面镶着一颗蓝色的宝石。

She wore a beautiful necklace made of ___silver with a blue stone.

一些旧硬币是银制的。

Some old coins are made of ___silver.