| 释义 |
‖ physa Zool.|ˈfaɪsə|
[mod.L., a. Gr. ϕῦσα bellows.]
A small freshwater gastropod.
1842Brande Dict. Sci. etc., Physa, a genus of freshwater snails; so called from the thinness and inflated appearance of the shell. 1855Lyell Elem. Geol. xx, Freshwater strata..filled..with Valvata, Paludina, Planorbis, Limnæus, Physa, and Cyclas. 1902Cornish Naturalist Thames 16 Tiny physas and succineas, no larger than shot. |