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iceland spar ['aɪslənd'spɑ:]
eng.geol. 透明方解石
Iceland spar ['aɪslənd'spɑ:]
met. 冰洲石; 双折射透明方解石
tech. 冰洲; 冰岛晶石矿
iceland spar
: 2 phrases in 1 subject
Technology2