| 单词 | crystal mine |
| 释义 | Definition of crystal mine in English:crystal minenoun
OriginEarly 17th century; earliest use found in Richard Hakluyt (?1552–1616), geographer. Definition of crystal mine in US English:crystal minenoun
OriginEarly 17th century; earliest use found in Richard Hakluyt (?1552–1616), geographer. |
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