珠宝jewel可数吗

My nephew found a few dewdrops on the Jewish jeweler's jewel.

侄儿发现犹太珠宝商的珠宝上有几滴露珠。

At the southern end of south America lies the jewel of Patagonia.

南美洲南端的巴塔哥尼亚嵌上了宝石一样。

The stars were clear, coloured, and jewel-like, but not frosty.

天上的`星星清亮而闪烁着不同颜色的光辉，像珠宝，却并不是珠宝般凝霜的白。