耀久九英英词典

hypocercal

H 开头单词

基本解释

  • 反歪尾的

同根派生

     

英汉例句

  • hypocercal fin
    反歪尾鰭
  • hypocercal Caudal fin shape in which the lower lobe is larger and often more posteriorly directed than the upper lobe. Asymmetrical externally as well as internally, e.g. Pteraspides (fossil).
    下葉長尾形尾鰭形狀在下麪的葉是較大的，與時常較上葉更曏後突出。不對稱在外部以及內部，例如鰭甲魚綱(化石)。