| 肽 | tài liàn | peptide chain (chain of amino acids making up protein) | 
| 肽 | tài | peptide (two or more amino acids linked by peptide bonds CO-NH) | 
| 链 | liàn | chain / cable (unit of length: 100 fathoms, about 185 m) / chain (unit of length: 66 feet, about 20 m) / to chain / to enchain |