polyprolineWiktionary 原文英美构词拆解polypoly-前缀prolineproline词干poly-many · polymer词源说明From poly- + proline.释义名词noun1(biochemistry) A sequence of several proline residues in a polypeptide or protein; tends to generate an anomalous left-handed helix conformation同族词派生词 1polyproline helix