amino baking hammer paint

例句：

1. 1. Amino acids are the building blocks of proteins.
   氨基酸是蛋白质的构建块。
2. 2. The amino acid sequence is critical for protein function.
   氨基酸序列对于蛋白质功能至关重要。
3. 3. The amino acid composition of this protein is unique.
   这种蛋白质的氨基酸组成是独特的。