feld.spar
feldspar的音标和读音：
DJ音标发音： [ˈfeldˌspɑ:, ˈfel-]也作 fel.spar [ˈfel]
KK音标发音： [ˈfɛldˌspɑ, ˈfɛl-]也作 fel.spar [ˈfɛl]
feldspar的词性：
n.（名词）
1. Any of a group of abundant rock-forming minerals occurring principally in igneous, plutonic, and some metamorphic rocks, and consisting of silicates of aluminum with potassium, sodium, calcium, and, rarely, barium. About 60 percent of the earth's outer crust is composed of feldspar.
长石：任何一组由大量岩石形成的矿物，主要存在于火成岩、深成岩以及一些变性的岩石中，含有钾、钠、钙及极少的钠的铝硅酸盐，地球的外层地壳中约百分之六十是长石
feldspar的词源：
2. Partial translation of obsolete German Feldspath
已废德语 Feldspath的部分翻译
3. Feld [field] from Middle High German veld from Old High German feld * see pel…- 2
Feld [（矿物）产地] 源自 中古高地德语 veld 源自 古高地德语 feld *参见 pel…- 2
4. Spath [spar]
Spath [晶石]