pitchstone

基本解釋

• n.松脂巖

同根派生

• pitchstone相關(guān)詞

英漢例句

• Perlite, obsidian and pitchstone are volcanic glass having the same compositions commonly with rhyolite as well as andesite and basalt.
  珍珠巖、黑耀巖和松脂巖等玻璃質(zhì)熔巖以酸性為主，中基性者也常見(jiàn)。
• Keywords vitrified micro-drop;thermal insulating material;imbibition;pitchstone;
  ?；⒅?保溫材料;膨化;松脂巖;
• Porphyritic Pitchstone
  n. 斑狀松脂巖(巖漿巖)

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