exumbrella

n. [动]外伞,上伞(水母伞的外凸面)

词形变化

exumbrellae exumbrellas 复数 exumbrellas exumbrellae 复数

释义与例句

n.
  1. 1.

    The outer surface of the umbrella of a jellyfish.

词源

From ex- + umbrella.

来源:wiktionary