iambic
adjective /aɪˈæmbɪk/
  /aɪˈæmbɪk/
(specialist)- (of rhythm in poetry诗的韵步 抑扬格的(每一短或弱音节后接一长或强音节) - a poem written in iambic pentameters (= in lines of ten syllables, five short and five long)抑扬格五音步诗 
 词源mid 16th cent.: from French iambique, via late Latin from Greek iambikos, from iambos ‘iambus, lampoon’, from iaptein ‘attack verbally’ (because the iambic trimeter was first used by Greek satirists).
- a poem written in iambic pentameters (= in lines of ten syllables, five short and five long)