heterocyclic imino acid

• 杂环亚氨基酸

heterocyclic imino acid的用法和样例：

例句

1. One of the amino acids, called prolene, is not really an amino acid, but imino acid.
   有一种称为脯氨酸的氨基酸实际上并不是氨基酸，而是亚氨基酸。