ephemeron

n.生命极短暂之物,蜉蝣

短暂的事物；短命物；昙花一现的事物

名词

1、The beauty of the cherry blossoms is an ephemeron that people eagerly wait for each spring.
樱花的美丽是每年春天人们热切期待的短暂美景。
2、Her fame in the fashion industry was an ephemeron, lasting only a few months before she was forgotten.
她在时尚界的名声是昙花一现的，只持续了几个月就被人遗忘了。