| 单词 | ballstone |
| 释义 | Definition of ballstone in English:ballstonenoun Geology Mining
OriginEarly 18th century; earliest use found in John Laurence (1668–1732), writer on gardening. Definition of ballstone in US English:ballstonenoun Geology Mining
OriginEarly 18th century; earliest use found in John Laurence (1668–1732), writer on gardening. |
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