甘氨酸

例句：

1. 1.The amino acid glycine is an important building block for proteins.
   甘氨酸是蛋白质的重要构建块。
2. 2.Alanine is a common amino acid found in many foods.
   丙氨酸是一种常见的氨基酸，存在于许多食物中。
3. 3.Glycine plays a crucial role in the body's metabolism and can help regulate blood sugar levels.
   甘氨酸在身体代谢中起着关键作用，可以帮助调节血糖水平。