例句與造句

1. It had been previously hypothesised that these costly protein structures of the outer shell layer facilitate locomotion in moist habitats.
2. In " Conocardium ", a more advanced rostroconch, the outer shell layers do not cross the entire margin, suggesting independent steps towards the bivalve flexible hinge.
3. As well as providing a matrix into which the hard calcium carbonate part of the shell is precipitated, many species of mollusks ( such as the land snail shown above ) also have an outer shell layer called the periostracum which is composed of the protein conchiolin.
4. It's difficult to find outer shell layer in a sentence. 用outer shell layer造句挺難的