| 单词 | pearlstone |
| 释义 | Definition of pearlstone in English:pearlstonenoun ˈpəːlstəʊn Geology
OriginEarly 19th century; earliest use found in William Henry (1774–1836), chemist. From pearl + stone. Definition of pearlstone in US English:pearlstonenounˈpəːlstəʊn Geology
OriginEarly 19th century; earliest use found in William Henry (1774–1836), chemist. From pearl + stone. |
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