egg case

短语

卵鞘; 蛋箱

词形变化

egg cases 复数 egg cases

别名

eggcase

释义与例句

n.
  1. 1.

    A protective capsule that contains the eggs of some insects and molluscs

    A sand saucer is formed from egg cases.

  2. 2.

    The leathery egg of certain marine animals such as sharks and skate

    A mermaid's purse is a type of egg case.