Biotite
[baiәtait]
解釋/意思:
(n.) Mica containing iron and magnesia, generally of a black or dark green color; -- a common constituent of crystalline rocks. See Mica.
艾德琳校對
[baiәtait]
(n.) Mica containing iron and magnesia, generally of a black or dark green color; -- a common constituent of crystalline rocks. See Mica.
艾德琳校對