1·I'm not really an expert on precious stones.
我并不是真正的宝石专家。
2·He went to a famous jewelry shop which keeps a large stock of precious stones and asked to be shown some pearl necklaces.
他去了一家有大量宝石的著名珠宝店，要求给他看一些珍珠项链。
3·Those precious stones are artificial.
那些宝石是人造的。
4·The art of engraving on precious stones.
在宝石上雕刻的艺术。
5·Semi-precious stones were used for inlay ornamentation.
准宝石的石头用来做镶嵌装饰。
6·The dealer was slavering over some precious stones.
那商人对一些宝石垂涎欲滴。
7·Diamonds, rubies, and emeralds are precious stones.
红宝石和祖母绿都是宝石。
8·These rings are not valued because they are set with precious stones.
这些指环的价值并不在于它们镶有宝石。
9·Diamonds, rubies and emeralds are included with precious stones.
钻石、红宝石和绿宝石都属于宝石。
10·Some people have even said I owe her something—precious stones, perhaps.
有些人甚至说我欠她的——也许是名贵珠宝吧。