词典收录词
pearlstone
/'pɜ:lstəʊn/
珍珠岩
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pearlstone 的中文释义
珍珠岩
pearlstone 的英文释义
- n.
A glassy volcanic rock of a grayish color and pearly
luster, often having a spherulitic concretionary structure due to the
curved cracks produced by contraction in cooling. See Illust. under
Perlitic.
pearlstone 的词形变化
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更新时间：2026-06-10 03:11:13