iceland spar
基本解释
[化] 冰洲石
[医] 冰岛晶石[矿](晶形碳酸钙)
英文释义
A transparent variety of calcite, the best of which is
obtained in Iceland. It is used for the prisms of the polariscope,
because of its strong double refraction. Cf. Calcite.
上一个单词：Iceland poppy
下一个单词：Icelander