And some minutely crystalline varieties, such as flint, may be opaque and of a waxy luster.
某些细小的结晶变种，如燧石，可能是不透明的，并具有腊样的光泽。
Vitamin D comes in three varieties supportive to crystalline biology.
支持水晶生物体的维生素d有三种。
A complex crystalline silicate containing aluminum, boron, and other elements, used in electronic instrumentation and, especially in its green, clear, and blue varieties, as a gemstone.
电气石一种复合晶体硅酸盐，含有铝、硼和其它元素，用于电子仪器制造，其绿色，透明及蓝色的变体可作为宝石。
A complex crystalline silicate containing aluminum, boron, and other elements, used in electronic instrumentation and, especially in its green, clear, and blue varieties, as a gemstone.
电气石一种复合晶体硅酸盐，含有铝、硼和其它元素，用于电子仪器制造，其绿色，透明及蓝色的变体可作为宝石。
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