snail shell造句怎么写

First Dr Vanhaeren and Dr D 'errico had to prove the snail shells found there could not have arrived by any means other than a human taking them.

If you have ever seen a snail shell, you know how a cochlea looks.

She crumbled an empty snail shell in her fingers.

perennial tropical American vine cultivated for its racemes of showy yellow and purple flowers having the corolla keel coiled like a snail shell; sometimes placed in genus Phaseolus.