| 词汇 | operculiform |
| 释义 | Definition of operculiform in English:operculiformadjective rare
OriginEarly 19th century; earliest use found in James Parkinson (1755–1824), surgeon and palaeontologist. Definition of operculiform in US English:operculiformadjective rare
OriginEarly 19th century; earliest use found in James Parkinson (1755–1824), surgeon and palaeontologist. |
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