缩氨酸

例句：

1. 1. This amino acid is essential for the growth of bacteria.
   这种氨基酸对细菌的生长至关重要。
2. 2. Amino acids are the building blocks of proteins.
   氨基酸是蛋白质的构建块。
3. 3. The body needs a variety of amino acids to function properly.
   身体需要各种氨基酸来正常运作。