spirula 的定义
plural spir·u·lae [spir-yuh-lee, -oo-lee]. /ˈspɪr yəˌli, -ʊˌli/.
- any cephalopod of the genus Spirula, having a flat, spiral shell that is partly inside and partly outside the posterior part of the body.
更多spirula例句
- Among the tufts of grass on the sloping sides of this mound were great numbers of Spirula-shells in a tolerably perfect condition.
- In places in New Zealand, and elsewhere, large fossil deposits of Spirula peroni occur.
- After a gale, on looking amongst the wrack cast up by the highest waves, large numbers of our Spirula will be found.
- The latter is partly straight and partly convoluted, nearly as in Spirula.
- A series of Chambers joining each other, as in Nautilus, Spirula, &c.