半宝石
... gemstone 经雕琢的宝石... semiprecious stone 半宝石,次等宝石... stone 【U】石料 ...
天河石,绿长石一种绿色微斜长石,常用作半宝石。
It has left many Maasai destitute, with young men now converging in the towns to hustle tanzanite, a semiprecious local stone, or to seek poor-paying jobs as night guards.留下了很多马赛赤贫者,年轻男子现在集聚在城镇里卖,一种次珍贵的当地石头,或者寻找低收入的工作比如夜班警卫。
A green variety of microcline semiprecious stone.一种橄榄绿的砂岩,含海绿石.