Artificial intelligent assistant

crystalline

crystalline
/ˈkrɪstəlaɪn; `krɪstlˌaɪn/ adj
1 made of or resembling crystals 水晶制的; 水晶般的
    crystalline structure, minerals, etc 晶体的结构、 矿物等.
2 (fml 文) very clear; transparent 清澈明净的; 透明的
    water of crystalline purity 清澈纯净的水.

牛津英汉双解词典

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