縮多氨酸

polypeptide, a chain of amino acids linked by peptide bonds CO-NH, a component of protein / same as 多肽[duo1 tai4]

many; much / too many; in excess / (after a numeral) ... odd / how (to what extent) (Taiwan pr. [duo2]) / (bound form) multi-; poly-

sour / tart / sick at heart / grieved / sore / aching / pedantic / impractical / to make sarcastic remarks about sb / an acid

ammonia

to withdraw / to pull back / to contract / to shrink / to reduce / abbreviation / also pr. [su4]