ephemeral data临时数据;瞬息数据
ephemeral perpetual短暂的〈〉永恒的
ephemeral word瞬息新词
Ephemeral Nodes临时节点
Ephemeral patch短生斑块
spring ephemeral早春短命植物
ephemeral flow季节性水流
Stream ephemeral间歇河川
ephemeral acyivity短暂活动
ADJ（形容词） If you describe something as ephemeral, you mean that it lasts only for a short time. 短暂的; 瞬间的 [正式]
He talked about the country's ephemeral unity being shattered by the defeat.
他谈到战败彻底粉碎了国家的短暂统一。