| 单词 |
pre-opercle |
| 释义 |
pre-oˈpercle Also -cule. Anglicized form of pre-operculum.
1858Mayne Expos. Lex. s.v., A bony formation on which the operculum, or lid of the gills play: the preopercule. 1886Cassell's Encycl. Dict., Preopercle. So Cent. Dict., etc. |

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