例句與造句

1. Its morphology is complex, with hexagonal head and a long contractile tail.
2. The ancestral tailed phage had an icosahedral head of about 60 nanometers in diameter and a long non contractile tail with sixfold symmetry.
3. Their shared characteristics include an identical virion morphology, characterized by usually short contractile tails and all have genome sizes of approximately 45 kilobases.
4. It's difficult to find contractile tail in a sentence. 用contractile tail造句挺難的