iambic
adjective literature specialized uk/aɪˈæm.bɪk/ us/aɪˈæm.bɪk/
（诗歌）短长格的;抑扬格的（诗歌的韵律模式，短促的非重读音节后跟有长的重读音节）
used to refer to a rhythm (= pattern of words) used in poetry, in which each short syllable that is not stressed is followed by a long or stressed syllable
Most of Shakespeare's verse is written in iambic pentameter (= rhythm with each line made of five iambic pairs). 莎士比亚的大部分诗歌都是以抑扬五音步写成的，每行诗都由五对抑扬格组成。