adj.神秘的，晦涩难懂的

The ancient text was filled with arcane symbols, their meanings lost to time.
古老的文本中充满了神秘的符号，它们的意义已经随着时间流逝而消失。
The practice of alchemy was considered arcane knowledge in medieval Europe.
炼金术在中世纪欧洲被认为是一种深奥的知识。
Her understanding of quantum mechanics was so arcane that few people could follow her lectures.
她对量子力学的理解非常深奥，很少有人能跟上她的讲座。
The rituals performed by the secret society were shrouded in arcane mystery.
那个秘密社团进行的仪式笼罩着神秘莫测的氛围。
The process of creating traditional Japanese ceramics involves many arcane techniques.
制作传统日本陶瓷的过程涉及许多深奥的技巧。
The old wizard's spells were arcane and powerful, capable of altering reality itself.
老巫师的咒语既神秘又强大，能够改变现实本身。
The study of astrophysics often delves into arcane mathematical equations.
天体物理学的研究常常涉及到深奥的数学方程。
The recipe for the elixir was an arcane secret passed down through generations of herbalists.
这种长生不老药的配方是一个世代相传的草药师之间的深奥秘密。
The art of calligraphy requires patience and an understanding of arcane brushwork techniques.
书法艺术需要耐心以及对深奥笔画技巧的理解。
The philosopher's theories on existence were so arcane that they were largely ignored by his contemporaries.
这位哲学家关于存在的理论如此深奥，以至于他的同时代人大都忽略了这些理论。