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
