A metrical unit consisting of seven feet.七韵步由七个音步组成的格律单位
A line of verse consisting of five metrical feet.五音步的每行有五个韵脚的一种诗
The substitution of one metrical unit for another, especially the substitution of two short syllables for one long syllable in quantitative verse.长音节的拆分或替换一个韵律元素替代另一个，尤指在数量韵文中用两个短音节替代一个长音节
A metrical unit of quantitative verse consisting of two or more cola.定量测量单位包括两个或两个以上音行的定量韵律的度量单位
