adv.永久地

Perennial flowers bloom year after year, adding color to the garden throughout the seasons.
多年生花卉年复一年地开花，为花园增添色彩。
His love for gardening is perennial; he spends hours tending to his flowerbeds every weekend.
他对园艺的热爱是永恒的；每个周末他都会花很多时间照料他的花坛。
The idea of living in a perpetual state of happiness is a perennial dream for many people.
生活在持续的幸福状态中是许多人永恒的梦想。
The library's collection of classic literature is a perennial favorite among bookworms.
图书馆的经典文学藏书深受书虫们的喜爱。
Her passion for learning is perennial; she never stops exploring new topics and ideas.
她对学习的热情是持久的，从不停止探索新的学科和观念。
The concept of environmental sustainability has become a perennial topic in global conversations.
环保可持续性已经成为全球对话中的永恒话题。
A perennial debate among economists is whether government intervention is necessary in a free market.
经济学家之间经常争论自由市场是否需要政府干预。
His joke about the weather was so perennial that it never seemed to get old.
他的天气笑话如此老掉牙，但人们似乎永远都不会厌倦。
The Olympic Games have been a perennial source of inspiration and unity for nations around the world.
奥运会一直是世界各国人民灵感和团结的永恒源泉。
The family tradition of passing down a treasured recipe from generation to generation is a perennial symbol of heritage.
家族代代相传的珍贵食谱是传统永恒的象征。