PCAM

例句：

1. 1. The protein in this food is essential for our body's growth and repair.
   这种食物中的蛋白质对我们的身体生长和修复至关重要。
2. 2. The carbohydrates in the diet provide energy for the body.
   饮食中的碳水化合物为身体提供能量。
3. 3. Amino Acids are the building blocks of proteins and play a crucial role in muscle growth and recovery.
   氨基酸是蛋白质的构建块，在肌肉生长和恢复中起着关键作用。