单词 | 单颗 |
释义 | 〔vergence〕The inward or outward turning of one or both eyes that occurs when focusing on an object.注视点:目光集中在一个物体上时,单颗或两颗眼珠向内或向外的转动〔orthoclase〕A variety of feldspar, essentially potassium aluminum silicate, KAlSi3O 8, characterized by a monoclinic crystalline structure and found in igneous or granitic rock. Also called potash feldspar 正长石:一种长石类,特别是钾、铝、硅合物,KAlSi3O 8,其特征为单颗晶体结构,发现于火山岩或花岗岩中 也作 potash feldspar |
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