pitchstone
基本解释
- n.松脂巖
英汉例句
- 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熔巖以酸性爲主,中基性者也常見。 - Keywords vitrified micro-drop;thermal insulating material;imbibition;pitchstone;
玻化微珠;保溫材料;膨化;松脂巖; - Porphyritic Pitchstone
n. 斑狀松脂巖(巖漿巖)