noun
technical 术语(诗歌的)扬抑抑格,长短短格 a unit of sound in poetry consisting of one strong or long syllable followed by two weak or short syllables
数据来源:WordNet
The megalopa of S.serrata has dactyl lower margin on the fifth abdominal segment which is different from three other Scylla species .
花脚蟳大眼幼体在第五腹节具有指状下缘,与其他三种明显不同。