| 单词 | river pearl |
| 释义 | Definition of river pearl in English:river pearlnoun
OriginLate 18th century; earliest use found in Thomas Pennant (1726–1798), naturalist, traveller, and writer. Definition of river pearl in US English:river pearlnoun
OriginLate 18th century; earliest use found in Thomas Pennant (1726–1798), naturalist, traveller, and writer. |
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