短语词组短語magma -basalt 巖漿玄武巖basalt magma 玄武巖漿alkali olivine basalt magma 堿性橄欖玄武巖巖漿alkaline basalt magma 堿性玄武巖漿OIB -type basalt magma 型玄武巖漿 返回 magma basalt