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1·Marble is a precious stone.

大理石是一种珍贵的石料。

2·The precious stone is diamond.

这种贵重的石头就是钻石。

3·A diamond is a precious stone.

钻石是珍贵的宝石。

4·Marble eis a precious stone.

大理石是一种珍贵的石料。

5·Inside was a precious stone.

里面是一颗宝石。

6·And he threw the precious stone into the water.

说罢，他把珍贵的宝石扔进了水里。

7·One is topaz, the precious stone and the other is truffle itself.

其一是黄玉本身，是一种宝石，而另一种则是块菌。

8·It gleams from the hues of the shell and the precious stone.

它绽放于贝壳以及宝石的色泽上。

9·What about a necklace set with a heartshaped precious stone ?

买条项链怎么样？坠有心型宝石的。？

10·This is a precious stone demanding further research to protect.

这是一个需要通过进一步研究来进行保护的瑰宝。