| 单词 | mouth ring |
| 释义 | Definition of mouth ring in English:mouth ringnoun
OriginMid 19th century; earliest use found in Andrew Ure (1778–1857), chemist. Definition of mouth ring in US English:mouth ringnoun
OriginMid 19th century; earliest use found in Andrew Ure (1778–1857), chemist. |
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