crystalline reservoir

例句：

1. 1.The diamond is a crystalline gemstone.
   钻石是一种晶体宝石。
2. 2. The water in the bottle is crystalline.
   瓶子里的水是晶体状的。
3. 3.The ice cream is crystalline and delicious.
   冰淇淋是晶体状的，很好吃。