pitchstone

英汉释义

• na.

  1.【地】松脂石

英英释义

• n.

  1.a dark hydrated volcanic glass similar to obsidian

英汉例句

• 1.The pearl ore includes the pearlite, shines black the crag and the pitchstone.

  珍珠岩矿包括珍珠岩，黑曜岩和松脂岩。

• 2.The pitchstone has the unique resinous luster, the water content 6~10%;

  松脂岩具有独特的松脂光泽，含水量6~10%；