imino-

例句：

1. 1. The molecule is composed of two atoms with a single imino group.
   这个分子由两个原子组成，有一个单键的氨基。
2. 2. The amino acid is a building block for proteins.
   氨基酸是蛋白质的基本构建块。
3. 3. The amino acids are linked together to form the protein chain.
   氨基酸通过连接形成蛋白质链。