英汉解释

n. 蜉蝣；生命极短暂的东西

同义词

n. ephemeral

英英解释

n.
  1. anything short-lived, as an insect that lives only for a day in its winged form

网络释义

ephemeron
短命之物; 生命极短促之物;
Errant Ephemeron
遍历蜉蝣;