a metrical unit of quantitative verse consisting of two or more cola 定量測量單位包括兩個或兩個以上音行的定量韻律的度量單位
the substitution of one metrical unit for another, especially the substitution of two short syllables for one long syllable in quantitative verse 長音節(jié)的拆分或替換一個韻律元素替代另一個,尤指在數量韻文中用兩個短音節(jié)替代一個長音節(jié)