Perlite, obsidian and pitchstone are volcanic glass having the same compositions commonly with rhyolite as well as andesite and basalt.
珍珠岩、黑耀岩和松脂岩等玻璃质熔岩以酸性为主，中
性者也常见。
词条纠错
X
pitchstone
n. 松脂石
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coatdress, coated, coated with, coated-tips, coatee, coater, coat-hanger, coati, coatimundi, coating,
相似单词
pitch-pine, pitchpocket, pitchpole, pitchpot, pitch-row, pitchstone, pitchwheel, pitchy, piteous, piteously,
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