adj.永恒的，永久的，没完没了的，不间断的，持续的，长久的，一再反复的，无尽无休的，终身的

His life has been a perpetual nightmare.
他的生活一直是个重复不断的噩梦。
We perpetuate the myth of the lone genius. (perpetual)
我们使孤独天才的神话长存。
We suffer from perpetual hunger.
我们都一直忍饥挨饿。
Perpetual motion machines, though intriguing in theory, have yet to be proven feasible.
永动机在理论上引人入胜，但尚未被证实可行。
The sun provides us with perpetual energy, making it an ideal renewable resource.
太阳为我们提供了永恒的能量，使其成为理想的可再生能源。
Her love for music is perpetual; she never grows tired of playing the piano.
她对音乐的热爱是永恒的，从不厌倦弹钢琴。
The company's success is built on a perpetually evolving business model.
公司的成功建立在其不断演变的商业模式之上。
The maintenance of world peace is a perpetual challenge for international diplomacy.
维护世界和平是国际外交的永恒挑战。
The perpetuation of racial inequality remains a pressing issue in many societies.
种族不平等的持续存在仍然是许多社会紧迫的问题。
The athlete's dedication to training is perpetual, ensuring his top performance.
这位运动员对训练的献身精神是永恒的，确保了他的最佳表现。
In mathematics, the Fibonacci sequence is a perpetually increasing series.
在数学中，斐波那契数列是一个永恒递增的序列。
The pursuit of knowledge is a perpetual journey, with no end in sight.
追求知识是一场没有尽头的永恒旅程。
The memory of our ancestors is perpetuated through the stories and traditions passed down through generations.
我们祖先的记忆通过代代相传的故事和传统得以延续。