| 缩 |
suō ān suān | peptide (two or more amino acids linked by peptide bonds CO-NH) |
| 缩 |
suō | to withdraw / to pull back / to contract / to shrink / to reduce / abbreviation / also pr. [su4] |
| 氨 |
ān | ammonia |
| 酸 |
suān | sour / tart / sick at heart / grieved / sore / aching / pedantic / impractical / to make sarcastic remarks about sb / an acid |