| 释义 |
bubble shell
noun
or bubble snail
1. : any of a number of marine gastropod mollusks (order Opisthobranchia) having the shell comparatively thin and small with the body whorl enveloping the other whorls (as members of the Akeridae or of the genus Bulla) — see haminoea
2. : a freshwater snail of Physa or a related genus |